64932920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 158397120

約数和(自身を除く): 93464200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 520, 647, 772, 965, 1294, 1544, 1930, 2509, 2588, 3235, 3860, 5018, 5176, 6470, 7720, 8411, 10036, 12545, 12940, 16822, 20072, 25090, 25880, 33644, 42055, 50180, 67288, 84110, 100360, 124871, 168220, 249742, 336440, 499484, 624355, 998968, 1248710, 1623323, 2497420, 3246646, 4994840, 6493292, 8116615, 12986584, 16233230, 32466460, 64932920]

約数ペア:

[(1, 64932920), (2, 32466460), (4, 16233230), (5, 12986584), (8, 8116615), (10, 6493292), (13, 4994840), (20, 3246646), (26, 2497420), (40, 1623323), (52, 1248710), (65, 998968), (104, 624355), (130, 499484), (193, 336440), (260, 249742), (386, 168220), (520, 124871), (647, 100360), (772, 84110), (965, 67288), (1294, 50180), (1544, 42055), (1930, 33644), (2509, 25880), (2588, 25090), (3235, 20072), (3860, 16822), (5018, 12940), (5176, 12545), (6470, 10036), (7720, 8411)]