51910280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 123984000

約数和(自身を除く): 72073720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 409, 668, 760, 818, 835, 1336, 1636, 1670, 2045, 3173, 3272, 3340, 4090, 6346, 6680, 7771, 8180, 12692, 15542, 15865, 16360, 25384, 31084, 31730, 38855, 62168, 63460, 68303, 77710, 126920, 136606, 155420, 273212, 310840, 341515, 546424, 683030, 1297757, 1366060, 2595514, 2732120, 5191028, 6488785, 10382056, 12977570, 25955140, 51910280]

約数ペア:

[(1, 51910280), (2, 25955140), (4, 12977570), (5, 10382056), (8, 6488785), (10, 5191028), (19, 2732120), (20, 2595514), (38, 1366060), (40, 1297757), (76, 683030), (95, 546424), (152, 341515), (167, 310840), (190, 273212), (334, 155420), (380, 136606), (409, 126920), (668, 77710), (760, 68303), (818, 63460), (835, 62168), (1336, 38855), (1636, 31730), (1670, 31084), (2045, 25384), (3173, 16360), (3272, 15865), (3340, 15542), (4090, 12692), (6346, 8180), (6680, 7771)]