2120800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 5671512

約数和(自身を除く): 3550712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 241, 275, 352, 400, 440, 482, 550, 800, 880, 964, 1100, 1205, 1760, 1928, 2200, 2410, 2651, 3856, 4400, 4820, 5302, 6025, 7712, 8800, 9640, 10604, 12050, 13255, 19280, 21208, 24100, 26510, 38560, 42416, 48200, 53020, 66275, 84832, 96400, 106040, 132550, 192800, 212080, 265100, 424160, 530200, 1060400, 2120800]

約数ペア:

[(1, 2120800), (2, 1060400), (4, 530200), (5, 424160), (8, 265100), (10, 212080), (11, 192800), (16, 132550), (20, 106040), (22, 96400), (25, 84832), (32, 66275), (40, 53020), (44, 48200), (50, 42416), (55, 38560), (80, 26510), (88, 24100), (100, 21208), (110, 19280), (160, 13255), (176, 12050), (200, 10604), (220, 9640), (241, 8800), (275, 7712), (352, 6025), (400, 5302), (440, 4820), (482, 4400), (550, 3856), (800, 2651), (880, 2410), (964, 2200), (1100, 1928), (1205, 1760)]