127859680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61471}}^1$

素因数の和:61499

約数の個数: 48

約数和(自身を含む): 325309824

約数和(自身を除く): 197450144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61471, 122942, 245884, 307355, 491768, 614710, 799123, 983536, 1229420, 1598246, 1967072, 2458840, 3196492, 3995615, 4917680, 6392984, 7991230, 9835360, 12785968, 15982460, 25571936, 31964920, 63929840, 127859680]

約数ペア:

[(1, 127859680), (2, 63929840), (4, 31964920), (5, 25571936), (8, 15982460), (10, 12785968), (13, 9835360), (16, 7991230), (20, 6392984), (26, 4917680), (32, 3995615), (40, 3196492), (52, 2458840), (65, 1967072), (80, 1598246), (104, 1229420), (130, 983536), (160, 799123), (208, 614710), (260, 491768), (416, 307355), (520, 245884), (1040, 122942), (2080, 61471)]