75020980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 162570240

約数和(自身を除く): 87549260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 479, 764, 820, 955, 958, 1910, 1916, 2395, 3820, 4790, 7831, 9580, 15662, 19639, 31324, 39155, 39278, 78310, 78556, 91489, 98195, 156620, 182978, 196390, 365956, 392780, 457445, 914890, 1829780, 3751049, 7502098, 15004196, 18755245, 37510490, 75020980]

約数ペア:

[(1, 75020980), (2, 37510490), (4, 18755245), (5, 15004196), (10, 7502098), (20, 3751049), (41, 1829780), (82, 914890), (164, 457445), (191, 392780), (205, 365956), (382, 196390), (410, 182978), (479, 156620), (764, 98195), (820, 91489), (955, 78556), (958, 78310), (1910, 39278), (1916, 39155), (2395, 31324), (3820, 19639), (4790, 15662), (7831, 9580)]