129413840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52183}}^1$

素因数の和:52227

約数の個数: 40

約数和(自身を含む): 310599168

約数和(自身を除く): 181185328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52183, 104366, 208732, 260915, 417464, 521830, 834928, 1043660, 1617673, 2087320, 3235346, 4174640, 6470692, 8088365, 12941384, 16176730, 25882768, 32353460, 64706920, 129413840]

約数ペア:

[(1, 129413840), (2, 64706920), (4, 32353460), (5, 25882768), (8, 16176730), (10, 12941384), (16, 8088365), (20, 6470692), (31, 4174640), (40, 3235346), (62, 2087320), (80, 1617673), (124, 1043660), (155, 834928), (248, 521830), (310, 417464), (496, 260915), (620, 208732), (1240, 104366), (2480, 52183)]