16620798710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1\times {\mathrm{1489}}^1$

素因数の和:2217

約数の個数: 64

約数和(自身を含む): 31527446400

約数和(自身を除く): 14906647690

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 631, 1262, 1489, 1769, 2978, 3155, 3538, 6310, 7445, 8845, 14890, 17690, 18299, 36598, 38491, 43181, 76982, 86362, 90829, 91495, 181658, 182990, 192455, 215905, 384910, 431810, 454145, 908290, 939559, 1116239, 1879118, 2232478, 2634041, 4697795, 5268082, 5581195, 9395590, 11162390, 13170205, 26340410, 27247211, 54494422, 57313099, 114626198, 136236055, 272472110, 286565495, 573130990, 1662079871, 3324159742, 8310399355, 16620798710]

約数ペア:

[(1, 16620798710), (2, 8310399355), (5, 3324159742), (10, 1662079871), (29, 573130990), (58, 286565495), (61, 272472110), (122, 136236055), (145, 114626198), (290, 57313099), (305, 54494422), (610, 27247211), (631, 26340410), (1262, 13170205), (1489, 11162390), (1769, 9395590), (2978, 5581195), (3155, 5268082), (3538, 4697795), (6310, 2634041), (7445, 2232478), (8845, 1879118), (14890, 1116239), (17690, 939559), (18299, 908290), (36598, 454145), (38491, 431810), (43181, 384910), (76982, 215905), (86362, 192455), (90829, 182990), (91495, 181658)]