20070297775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1\times {\mathrm{1619}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 27649123200

約数和(自身を除く): 7578825425

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 739, 1525, 1619, 3355, 3695, 8095, 8129, 16775, 17809, 18475, 40475, 40645, 45079, 89045, 98759, 203225, 225395, 445225, 493795, 495869, 1086349, 1126975, 1196441, 2468975, 2479345, 5431745, 5982205, 12396725, 13160851, 27158725, 29911025, 65804255, 72982901, 329021275, 364914505, 802811911, 1824572525, 4014059555, 20070297775]

約数ペア:

[(1, 20070297775), (5, 4014059555), (11, 1824572525), (25, 802811911), (55, 364914505), (61, 329021275), (275, 72982901), (305, 65804255), (671, 29911025), (739, 27158725), (1525, 13160851), (1619, 12396725), (3355, 5982205), (3695, 5431745), (8095, 2479345), (8129, 2468975), (16775, 1196441), (17809, 1126975), (18475, 1086349), (40475, 495869), (40645, 493795), (45079, 445225), (89045, 225395), (98759, 203225)]