66236560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63689}}^1$

素因数の和:63715

約数の個数: 40

約数和(自身を含む): 165848760

約数和(自身を除く): 99612200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63689, 127378, 254756, 318445, 509512, 636890, 827957, 1019024, 1273780, 1655914, 2547560, 3311828, 4139785, 5095120, 6623656, 8279570, 13247312, 16559140, 33118280, 66236560]

約数ペア:

[(1, 66236560), (2, 33118280), (4, 16559140), (5, 13247312), (8, 8279570), (10, 6623656), (13, 5095120), (16, 4139785), (20, 3311828), (26, 2547560), (40, 1655914), (52, 1273780), (65, 1019024), (80, 827957), (104, 636890), (130, 509512), (208, 318445), (260, 254756), (520, 127378), (1040, 63689)]