1626040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 4082400

約数和(自身を除く): 2456360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 59, 65, 104, 106, 118, 130, 212, 236, 260, 265, 295, 424, 472, 520, 530, 590, 689, 767, 1060, 1180, 1378, 1534, 2120, 2360, 2756, 3068, 3127, 3445, 3835, 5512, 6136, 6254, 6890, 7670, 12508, 13780, 15340, 15635, 25016, 27560, 30680, 31270, 40651, 62540, 81302, 125080, 162604, 203255, 325208, 406510, 813020, 1626040]

約数ペア:

[(1, 1626040), (2, 813020), (4, 406510), (5, 325208), (8, 203255), (10, 162604), (13, 125080), (20, 81302), (26, 62540), (40, 40651), (52, 31270), (53, 30680), (59, 27560), (65, 25016), (104, 15635), (106, 15340), (118, 13780), (130, 12508), (212, 7670), (236, 6890), (260, 6254), (265, 6136), (295, 5512), (424, 3835), (472, 3445), (520, 3127), (530, 3068), (590, 2756), (689, 2360), (767, 2120), (1060, 1534), (1180, 1378)]