42552380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2683}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 97847904

約数和(自身を除く): 55295524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 2683, 3172, 3965, 5366, 7930, 10732, 13415, 15860, 26830, 34879, 53660, 69758, 139516, 163663, 174395, 327326, 348790, 654652, 697580, 818315, 1636630, 2127619, 3273260, 4255238, 8510476, 10638095, 21276190, 42552380]

約数ペア:

[(1, 42552380), (2, 21276190), (4, 10638095), (5, 8510476), (10, 4255238), (13, 3273260), (20, 2127619), (26, 1636630), (52, 818315), (61, 697580), (65, 654652), (122, 348790), (130, 327326), (244, 174395), (260, 163663), (305, 139516), (610, 69758), (793, 53660), (1220, 34879), (1586, 26830), (2683, 15860), (3172, 13415), (3965, 10732), (5366, 7930)]