51620920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2683}}^1$

素因数の和:2744

約数の個数: 64

約数和(自身を含む): 128509920

約数和(自身を除く): 76889000

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, 2683, 3848, 4810, 5366, 9620, 10732, 13415, 19240, 21464, 26830, 34879, 53660, 69758, 99271, 107320, 139516, 174395, 198542, 279032, 348790, 397084, 496355, 697580, 794168, 992710, 1290523, 1395160, 1985420, 2581046, 3970840, 5162092, 6452615, 10324184, 12905230, 25810460, 51620920]

約数ペア:

[(1, 51620920), (2, 25810460), (4, 12905230), (5, 10324184), (8, 6452615), (10, 5162092), (13, 3970840), (20, 2581046), (26, 1985420), (37, 1395160), (40, 1290523), (52, 992710), (65, 794168), (74, 697580), (104, 496355), (130, 397084), (148, 348790), (185, 279032), (260, 198542), (296, 174395), (370, 139516), (481, 107320), (520, 99271), (740, 69758), (962, 53660), (1480, 34879), (1924, 26830), (2405, 21464), (2683, 19240), (3848, 13415), (4810, 10732), (5366, 9620)]