126173840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121321}}^1$

素因数の和:121347

約数の個数: 40

約数和(自身を含む): 315922488

約数和(自身を除く): 189748648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 121321, 242642, 485284, 606605, 970568, 1213210, 1577173, 1941136, 2426420, 3154346, 4852840, 6308692, 7885865, 9705680, 12617384, 15771730, 25234768, 31543460, 63086920, 126173840]

約数ペア:

[(1, 126173840), (2, 63086920), (4, 31543460), (5, 25234768), (8, 15771730), (10, 12617384), (13, 9705680), (16, 7885865), (20, 6308692), (26, 4852840), (40, 3154346), (52, 2426420), (65, 1941136), (80, 1577173), (104, 1213210), (130, 970568), (208, 606605), (260, 485284), (520, 242642), (1040, 121321)]