81214120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3323}}^1$

素因数の和:3394

約数の個数: 64

約数和(自身を含む): 201035520

約数和(自身を除く): 119821400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 3323, 4888, 6110, 6646, 12220, 13292, 16615, 24440, 26584, 33230, 43199, 66460, 86398, 132920, 156181, 172796, 215995, 312362, 345592, 431990, 624724, 780905, 863980, 1249448, 1561810, 1727960, 2030353, 3123620, 4060706, 6247240, 8121412, 10151765, 16242824, 20303530, 40607060, 81214120]

約数ペア:

[(1, 81214120), (2, 40607060), (4, 20303530), (5, 16242824), (8, 10151765), (10, 8121412), (13, 6247240), (20, 4060706), (26, 3123620), (40, 2030353), (47, 1727960), (52, 1561810), (65, 1249448), (94, 863980), (104, 780905), (130, 624724), (188, 431990), (235, 345592), (260, 312362), (376, 215995), (470, 172796), (520, 156181), (611, 132920), (940, 86398), (1222, 66460), (1880, 43199), (2444, 33230), (3055, 26584), (3323, 24440), (4888, 16615), (6110, 13292), (6646, 12220)]