66206920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127321}}^1$

素因数の和:127345

約数の個数: 32

約数和(自身を含む): 160425720

約数和(自身を除く): 94218800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127321, 254642, 509284, 636605, 1018568, 1273210, 1655173, 2546420, 3310346, 5092840, 6620692, 8275865, 13241384, 16551730, 33103460, 66206920]

約数ペア:

[(1, 66206920), (2, 33103460), (4, 16551730), (5, 13241384), (8, 8275865), (10, 6620692), (13, 5092840), (20, 3310346), (26, 2546420), (40, 1655173), (52, 1273210), (65, 1018568), (104, 636605), (130, 509284), (260, 254642), (520, 127321)]