87920800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 238859712

約数和(自身を除く): 150938912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 97, 100, 103, 110, 160, 176, 194, 200, 206, 220, 275, 352, 388, 400, 412, 440, 485, 515, 550, 776, 800, 824, 880, 970, 1030, 1067, 1100, 1133, 1552, 1648, 1760, 1940, 2060, 2134, 2200, 2266, 2425, 2575, 3104, 3296, 3880, 4120, 4268, 4400, 4532, 4850, 5150, 5335, 5665, 7760, 8240, 8536, 8800, 9064, 9700, 9991, 10300, 10670, 11330, 15520, 16480, 17072, 18128, 19400, 19982, 20600, 21340, 22660, 26675, 28325, 34144, 36256, 38800, 39964, 41200, 42680, 45320, 49955, 53350, 56650, 77600, 79928, 82400, 85360, 90640, 99910, 106700, 109901, 113300, 159856, 170720, 181280, 199820, 213400, 219802, 226600, 249775, 319712, 399640, 426800, 439604, 453200, 499550, 549505, 799280, 853600, 879208, 906400, 999100, 1099010, 1598560, 1758416, 1998200, 2198020, 2747525, 3516832, 3996400, 4396040, 5495050, 7992800, 8792080, 10990100, 17584160, 21980200, 43960400, 87920800]

約数ペア:

[(1, 87920800), (2, 43960400), (4, 21980200), (5, 17584160), (8, 10990100), (10, 8792080), (11, 7992800), (16, 5495050), (20, 4396040), (22, 3996400), (25, 3516832), (32, 2747525), (40, 2198020), (44, 1998200), (50, 1758416), (55, 1598560), (80, 1099010), (88, 999100), (97, 906400), (100, 879208), (103, 853600), (110, 799280), (160, 549505), (176, 499550), (194, 453200), (200, 439604), (206, 426800), (220, 399640), (275, 319712), (352, 249775), (388, 226600), (400, 219802), (412, 213400), (440, 199820), (485, 181280), (515, 170720), (550, 159856), (776, 113300), (800, 109901), (824, 106700), (880, 99910), (970, 90640), (1030, 85360), (1067, 82400), (1100, 79928), (1133, 77600), (1552, 56650), (1648, 53350), (1760, 49955), (1940, 45320), (2060, 42680), (2134, 41200), (2200, 39964), (2266, 38800), (2425, 36256), (2575, 34144), (3104, 28325), (3296, 26675), (3880, 22660), (4120, 21340), (4268, 20600), (4400, 19982), (4532, 19400), (4850, 18128), (5150, 17072), (5335, 16480), (5665, 15520), (7760, 11330), (8240, 10670), (8536, 10300), (8800, 9991), (9064, 9700)]