81599320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10909}}^1$

素因数の和:10948

約数の個数: 64

約数和(自身を含む): 212090400

約数和(自身を除く): 130491080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 10909, 21818, 43636, 54545, 87272, 109090, 119999, 185453, 218180, 239998, 370906, 436360, 479996, 599995, 741812, 927265, 959992, 1199990, 1483624, 1854530, 2039983, 2399980, 3709060, 4079966, 4799960, 7418120, 8159932, 10199915, 16319864, 20399830, 40799660, 81599320]

約数ペア:

[(1, 81599320), (2, 40799660), (4, 20399830), (5, 16319864), (8, 10199915), (10, 8159932), (11, 7418120), (17, 4799960), (20, 4079966), (22, 3709060), (34, 2399980), (40, 2039983), (44, 1854530), (55, 1483624), (68, 1199990), (85, 959992), (88, 927265), (110, 741812), (136, 599995), (170, 479996), (187, 436360), (220, 370906), (340, 239998), (374, 218180), (440, 185453), (680, 119999), (748, 109090), (935, 87272), (1496, 54545), (1870, 43636), (3740, 21818), (7480, 10909)]