87706580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4621}}^1$

素因数の和:4716

約数の個数: 48

約数和(自身を含む): 201112464

約数和(自身を除く): 113405884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4621, 4745, 9242, 9490, 18484, 18980, 23105, 46210, 60073, 92420, 120146, 240292, 300365, 337333, 600730, 674666, 1201460, 1349332, 1686665, 3373330, 4385329, 6746660, 8770658, 17541316, 21926645, 43853290, 87706580]

約数ペア:

[(1, 87706580), (2, 43853290), (4, 21926645), (5, 17541316), (10, 8770658), (13, 6746660), (20, 4385329), (26, 3373330), (52, 1686665), (65, 1349332), (73, 1201460), (130, 674666), (146, 600730), (260, 337333), (292, 300365), (365, 240292), (730, 120146), (949, 92420), (1460, 60073), (1898, 46210), (3796, 23105), (4621, 18980), (4745, 18484), (9242, 9490)]