2080454020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{176609}}^1$

素因数の和:176668

約数の個数: 48

約数和(自身を含む): 4747276800

約数和(自身を除く): 2666822780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 176609, 353218, 706436, 883045, 1766090, 3355571, 3532180, 5474879, 6711142, 10949758, 13422284, 16777855, 21899516, 27374395, 33555710, 54748790, 67111420, 104022701, 109497580, 208045402, 416090804, 520113505, 1040227010, 2080454020]

約数ペア:

[(1, 2080454020), (2, 1040227010), (4, 520113505), (5, 416090804), (10, 208045402), (19, 109497580), (20, 104022701), (31, 67111420), (38, 54748790), (62, 33555710), (76, 27374395), (95, 21899516), (124, 16777855), (155, 13422284), (190, 10949758), (310, 6711142), (380, 5474879), (589, 3532180), (620, 3355571), (1178, 1766090), (2356, 883045), (2945, 706436), (5890, 353218), (11780, 176609)]