157217840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151171}}^1$

素因数の和:151197

約数の個数: 40

約数和(自身を含む): 393651888

約数和(自身を除く): 236434048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 151171, 302342, 604684, 755855, 1209368, 1511710, 1965223, 2418736, 3023420, 3930446, 6046840, 7860892, 9826115, 12093680, 15721784, 19652230, 31443568, 39304460, 78608920, 157217840]

約数ペア:

[(1, 157217840), (2, 78608920), (4, 39304460), (5, 31443568), (8, 19652230), (10, 15721784), (13, 12093680), (16, 9826115), (20, 7860892), (26, 6046840), (40, 3930446), (52, 3023420), (65, 2418736), (80, 1965223), (104, 1511710), (130, 1209368), (208, 755855), (260, 604684), (520, 302342), (1040, 151171)]