42487960

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1907}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 95819760

約数和(自身を除く): 53331800

約数列:

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

約数ペア:

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