9995960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 24796800

約数和(自身を除く): 14800840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 409, 470, 520, 611, 818, 940, 1222, 1636, 1880, 2045, 2444, 3055, 3272, 4090, 4888, 5317, 6110, 8180, 10634, 12220, 16360, 19223, 21268, 24440, 26585, 38446, 42536, 53170, 76892, 96115, 106340, 153784, 192230, 212680, 249899, 384460, 499798, 768920, 999596, 1249495, 1999192, 2498990, 4997980, 9995960]

約数ペア:

[(1, 9995960), (2, 4997980), (4, 2498990), (5, 1999192), (8, 1249495), (10, 999596), (13, 768920), (20, 499798), (26, 384460), (40, 249899), (47, 212680), (52, 192230), (65, 153784), (94, 106340), (104, 96115), (130, 76892), (188, 53170), (235, 42536), (260, 38446), (376, 26585), (409, 24440), (470, 21268), (520, 19223), (611, 16360), (818, 12220), (940, 10634), (1222, 8180), (1636, 6110), (1880, 5317), (2045, 4888), (2444, 4090), (3055, 3272)]