20125280045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1\times {\mathrm{5569}}^1$

素因数の和:6689

約数の個数: 32

約数和(自身を含む): 26528796000

約数和(自身を除く): 6403515955

約数列:

[1, 5, 13, 53, 65, 265, 689, 1049, 3445, 5245, 5569, 13637, 27845, 55597, 68185, 72397, 277985, 295157, 361985, 722761, 1475785, 3613805, 3837041, 5841881, 19185205, 29209405, 75944453, 309619693, 379722265, 1548098465, 4025056009, 20125280045]

約数ペア:

[(1, 20125280045), (5, 4025056009), (13, 1548098465), (53, 379722265), (65, 309619693), (265, 75944453), (689, 29209405), (1049, 19185205), (3445, 5841881), (5245, 3837041), (5569, 3613805), (13637, 1475785), (27845, 722761), (55597, 361985), (68185, 295157), (72397, 277985)]