2008007688980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1\times {\mathrm{1384661}}^1$

素因数の和:1387040

約数の個数: 48

約数和(自身を含む): 4354706603520

約数和(自身を除く): 2346698914540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2339, 4678, 9356, 11695, 23390, 46780, 72509, 145018, 290036, 362545, 725090, 1384661, 1450180, 2769322, 5538644, 6923305, 13846610, 27693220, 42924491, 85848982, 171697964, 214622455, 429244910, 858489820, 3238722079, 6477444158, 12954888316, 16193610395, 32387220790, 64774441580, 100400384449, 200800768898, 401601537796, 502001922245, 1004003844490, 2008007688980]

約数ペア:

[(1, 2008007688980), (2, 1004003844490), (4, 502001922245), (5, 401601537796), (10, 200800768898), (20, 100400384449), (31, 64774441580), (62, 32387220790), (124, 16193610395), (155, 12954888316), (310, 6477444158), (620, 3238722079), (2339, 858489820), (4678, 429244910), (9356, 214622455), (11695, 171697964), (23390, 85848982), (46780, 42924491), (72509, 27693220), (145018, 13846610), (290036, 6923305), (362545, 5538644), (725090, 2769322), (1384661, 1450180)]