31751920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 80405568

約数和(自身を除く): 48653648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 631, 680, 740, 1258, 1262, 1360, 1480, 2516, 2524, 2960, 3145, 3155, 5032, 5048, 6290, 6310, 10064, 10096, 10727, 12580, 12620, 21454, 23347, 25160, 25240, 42908, 46694, 50320, 50480, 53635, 85816, 93388, 107270, 116735, 171632, 186776, 214540, 233470, 373552, 396899, 429080, 466940, 793798, 858160, 933880, 1587596, 1867760, 1984495, 3175192, 3968990, 6350384, 7937980, 15875960, 31751920]

約数ペア:

[(1, 31751920), (2, 15875960), (4, 7937980), (5, 6350384), (8, 3968990), (10, 3175192), (16, 1984495), (17, 1867760), (20, 1587596), (34, 933880), (37, 858160), (40, 793798), (68, 466940), (74, 429080), (80, 396899), (85, 373552), (136, 233470), (148, 214540), (170, 186776), (185, 171632), (272, 116735), (296, 107270), (340, 93388), (370, 85816), (592, 53635), (629, 50480), (631, 50320), (680, 46694), (740, 42908), (1258, 25240), (1262, 25160), (1360, 23347), (1480, 21454), (2516, 12620), (2524, 12580), (2960, 10727), (3145, 10096), (3155, 10064), (5032, 6310), (5048, 6290)]