78710840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4091}}^1$

素因数の和:4152

約数の個数: 64

約数和(自身を含む): 195924960

約数和(自身を除く): 117214120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4091, 4810, 8182, 9620, 16364, 19240, 20455, 32728, 40910, 53183, 81820, 106366, 151367, 163640, 212732, 265915, 302734, 425464, 531830, 605468, 756835, 1063660, 1210936, 1513670, 1967771, 2127320, 3027340, 3935542, 6054680, 7871084, 9838855, 15742168, 19677710, 39355420, 78710840]

約数ペア:

[(1, 78710840), (2, 39355420), (4, 19677710), (5, 15742168), (8, 9838855), (10, 7871084), (13, 6054680), (20, 3935542), (26, 3027340), (37, 2127320), (40, 1967771), (52, 1513670), (65, 1210936), (74, 1063660), (104, 756835), (130, 605468), (148, 531830), (185, 425464), (260, 302734), (296, 265915), (370, 212732), (481, 163640), (520, 151367), (740, 106366), (962, 81820), (1480, 53183), (1924, 40910), (2405, 32728), (3848, 20455), (4091, 19240), (4810, 16364), (8182, 9620)]