31679960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60923}}^1$

素因数の和:60947

約数の個数: 32

約数和(自身を含む): 76764240

約数和(自身を除く): 45084280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60923, 121846, 243692, 304615, 487384, 609230, 791999, 1218460, 1583998, 2436920, 3167996, 3959995, 6335992, 7919990, 15839980, 31679960]

約数ペア:

[(1, 31679960), (2, 15839980), (4, 7919990), (5, 6335992), (8, 3959995), (10, 3167996), (13, 2436920), (20, 1583998), (26, 1218460), (40, 791999), (52, 609230), (65, 487384), (104, 304615), (130, 243692), (260, 121846), (520, 60923)]