172337360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165709}}^1$

素因数の和:165735

約数の個数: 40

約数和(自身を含む): 431508840

約数和(自身を除く): 259171480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 165709, 331418, 662836, 828545, 1325672, 1657090, 2154217, 2651344, 3314180, 4308434, 6628360, 8616868, 10771085, 13256720, 17233736, 21542170, 34467472, 43084340, 86168680, 172337360]

約数ペア:

[(1, 172337360), (2, 86168680), (4, 43084340), (5, 34467472), (8, 21542170), (10, 17233736), (13, 13256720), (16, 10771085), (20, 8616868), (26, 6628360), (40, 4308434), (52, 3314180), (65, 2651344), (80, 2154217), (104, 1657090), (130, 1325672), (208, 828545), (260, 662836), (520, 331418), (1040, 165709)]