79904080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1433}}^1$

素因数の和:1504

約数の個数: 80

約数和(自身を含む): 201643344

約数和(自身を除く): 121739264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1433, 1640, 2788, 2866, 3280, 3485, 5576, 5732, 6970, 7165, 11152, 11464, 13940, 14330, 22928, 24361, 27880, 28660, 48722, 55760, 57320, 58753, 97444, 114640, 117506, 121805, 194888, 235012, 243610, 293765, 389776, 470024, 487220, 587530, 940048, 974440, 998801, 1175060, 1948880, 1997602, 2350120, 3995204, 4700240, 4994005, 7990408, 9988010, 15980816, 19976020, 39952040, 79904080]

約数ペア:

[(1, 79904080), (2, 39952040), (4, 19976020), (5, 15980816), (8, 9988010), (10, 7990408), (16, 4994005), (17, 4700240), (20, 3995204), (34, 2350120), (40, 1997602), (41, 1948880), (68, 1175060), (80, 998801), (82, 974440), (85, 940048), (136, 587530), (164, 487220), (170, 470024), (205, 389776), (272, 293765), (328, 243610), (340, 235012), (410, 194888), (656, 121805), (680, 117506), (697, 114640), (820, 97444), (1360, 58753), (1394, 57320), (1433, 55760), (1640, 48722), (2788, 28660), (2866, 27880), (3280, 24361), (3485, 22928), (5576, 14330), (5732, 13940), (6970, 11464), (7165, 11152)]