84975920

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1907}}^1$

素因数の和:2477

約数の個数: 40

約数和(自身を含む): 198027504

約数和(自身を除く): 113051584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1907, 2228, 2785, 3814, 4456, 5570, 7628, 8912, 9535, 11140, 15256, 19070, 22280, 30512, 38140, 44560, 76280, 152560, 1062199, 2124398, 4248796, 5310995, 8497592, 10621990, 16995184, 21243980, 42487960, 84975920]

約数ペア:

[(1, 84975920), (2, 42487960), (4, 21243980), (5, 16995184), (8, 10621990), (10, 8497592), (16, 5310995), (20, 4248796), (40, 2124398), (80, 1062199), (557, 152560), (1114, 76280), (1907, 44560), (2228, 38140), (2785, 30512), (3814, 22280), (4456, 19070), (5570, 15256), (7628, 11140), (8912, 9535)]