825804920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{1877}}^1$

素因数の和:2552

約数の個数: 64

約数和(自身を含む): 1971449280

約数和(自身を除く): 1145644360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 647, 680, 1294, 1877, 2588, 3235, 3754, 5176, 6470, 7508, 9385, 10999, 12940, 15016, 18770, 21998, 25880, 31909, 37540, 43996, 54995, 63818, 75080, 87992, 109990, 127636, 159545, 219980, 255272, 319090, 439960, 638180, 1214419, 1276360, 2428838, 4857676, 6072095, 9715352, 12144190, 20645123, 24288380, 41290246, 48576760, 82580492, 103225615, 165160984, 206451230, 412902460, 825804920]

約数ペア:

[(1, 825804920), (2, 412902460), (4, 206451230), (5, 165160984), (8, 103225615), (10, 82580492), (17, 48576760), (20, 41290246), (34, 24288380), (40, 20645123), (68, 12144190), (85, 9715352), (136, 6072095), (170, 4857676), (340, 2428838), (647, 1276360), (680, 1214419), (1294, 638180), (1877, 439960), (2588, 319090), (3235, 255272), (3754, 219980), (5176, 159545), (6470, 127636), (7508, 109990), (9385, 87992), (10999, 75080), (12940, 63818), (15016, 54995), (18770, 43996), (21998, 37540), (25880, 31909)]