16016440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 39852000

約数和(自身を除く): 23835560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 409, 440, 445, 712, 818, 890, 979, 1636, 1780, 1958, 2045, 3272, 3560, 3916, 4090, 4499, 4895, 7832, 8180, 8998, 9790, 16360, 17996, 19580, 22495, 35992, 36401, 39160, 44990, 72802, 89980, 145604, 179960, 182005, 291208, 364010, 400411, 728020, 800822, 1456040, 1601644, 2002055, 3203288, 4004110, 8008220, 16016440]

約数ペア:

[(1, 16016440), (2, 8008220), (4, 4004110), (5, 3203288), (8, 2002055), (10, 1601644), (11, 1456040), (20, 800822), (22, 728020), (40, 400411), (44, 364010), (55, 291208), (88, 182005), (89, 179960), (110, 145604), (178, 89980), (220, 72802), (356, 44990), (409, 39160), (440, 36401), (445, 35992), (712, 22495), (818, 19580), (890, 17996), (979, 16360), (1636, 9790), (1780, 8998), (1958, 8180), (2045, 7832), (3272, 4895), (3560, 4499), (3916, 4090)]