52321880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 127612800

約数和(自身を除く): 75290920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 239, 260, 421, 478, 520, 842, 956, 1195, 1684, 1912, 2105, 2390, 3107, 3368, 4210, 4780, 5473, 6214, 8420, 9560, 10946, 12428, 15535, 16840, 21892, 24856, 27365, 31070, 43784, 54730, 62140, 100619, 109460, 124280, 201238, 218920, 402476, 503095, 804952, 1006190, 1308047, 2012380, 2616094, 4024760, 5232188, 6540235, 10464376, 13080470, 26160940, 52321880]

約数ペア:

[(1, 52321880), (2, 26160940), (4, 13080470), (5, 10464376), (8, 6540235), (10, 5232188), (13, 4024760), (20, 2616094), (26, 2012380), (40, 1308047), (52, 1006190), (65, 804952), (104, 503095), (130, 402476), (239, 218920), (260, 201238), (421, 124280), (478, 109460), (520, 100619), (842, 62140), (956, 54730), (1195, 43784), (1684, 31070), (1912, 27365), (2105, 24856), (2390, 21892), (3107, 16840), (3368, 15535), (4210, 12428), (4780, 10946), (5473, 9560), (6214, 8420)]