54937870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1571}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 106958880

約数和(自身を除く): 52021010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 1345, 1571, 2690, 3142, 3497, 6994, 7855, 15710, 17485, 20423, 34970, 40846, 102115, 204230, 422599, 845198, 2112995, 4225990, 5493787, 10987574, 27468935, 54937870]

約数ペア:

[(1, 54937870), (2, 27468935), (5, 10987574), (10, 5493787), (13, 4225990), (26, 2112995), (65, 845198), (130, 422599), (269, 204230), (538, 102115), (1345, 40846), (1571, 34970), (2690, 20423), (3142, 17485), (3497, 15710), (6994, 7855)]