66213680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63667}}^1$

素因数の和:63693

約数の個数: 40

約数和(自身を含む): 165791472

約数和(自身を除く): 99577792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63667, 127334, 254668, 318335, 509336, 636670, 827671, 1018672, 1273340, 1655342, 2546680, 3310684, 4138355, 5093360, 6621368, 8276710, 13242736, 16553420, 33106840, 66213680]

約数ペア:

[(1, 66213680), (2, 33106840), (4, 16553420), (5, 13242736), (8, 8276710), (10, 6621368), (13, 5093360), (16, 4138355), (20, 3310684), (26, 2546680), (40, 1655342), (52, 1273340), (65, 1018672), (80, 827671), (104, 636670), (130, 509336), (208, 318335), (260, 254668), (520, 127334), (1040, 63667)]