78530660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{823}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 178300416

約数和(自身を除く): 99769756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 367, 734, 823, 1468, 1646, 1835, 3292, 3670, 4115, 4771, 7340, 8230, 9542, 10699, 16460, 19084, 21398, 23855, 42796, 47710, 53495, 95420, 106990, 213980, 302041, 604082, 1208164, 1510205, 3020410, 3926533, 6040820, 7853066, 15706132, 19632665, 39265330, 78530660]

約数ペア:

[(1, 78530660), (2, 39265330), (4, 19632665), (5, 15706132), (10, 7853066), (13, 6040820), (20, 3926533), (26, 3020410), (52, 1510205), (65, 1208164), (130, 604082), (260, 302041), (367, 213980), (734, 106990), (823, 95420), (1468, 53495), (1646, 47710), (1835, 42796), (3292, 23855), (3670, 21398), (4115, 19084), (4771, 16460), (7340, 10699), (8230, 9542)]