519191920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{1069}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 1303979040

約数和(自身を除く): 784787120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 467, 520, 934, 1040, 1069, 1868, 2138, 2335, 3736, 4276, 4670, 5345, 6071, 7472, 8552, 9340, 10690, 12142, 13897, 17104, 18680, 21380, 24284, 27794, 30355, 37360, 42760, 48568, 55588, 60710, 69485, 85520, 97136, 111176, 121420, 138970, 222352, 242840, 277940, 485680, 499223, 555880, 998446, 1111760, 1996892, 2496115, 3993784, 4992230, 6489899, 7987568, 9984460, 12979798, 19968920, 25959596, 32449495, 39937840, 51919192, 64898990, 103838384, 129797980, 259595960, 519191920]

約数ペア:

[(1, 519191920), (2, 259595960), (4, 129797980), (5, 103838384), (8, 64898990), (10, 51919192), (13, 39937840), (16, 32449495), (20, 25959596), (26, 19968920), (40, 12979798), (52, 9984460), (65, 7987568), (80, 6489899), (104, 4992230), (130, 3993784), (208, 2496115), (260, 1996892), (467, 1111760), (520, 998446), (934, 555880), (1040, 499223), (1069, 485680), (1868, 277940), (2138, 242840), (2335, 222352), (3736, 138970), (4276, 121420), (4670, 111176), (5345, 97136), (6071, 85520), (7472, 69485), (8552, 60710), (9340, 55588), (10690, 48568), (12142, 42760), (13897, 37360), (17104, 30355), (18680, 27794), (21380, 24284)]