204072040

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{26711}}^1$

素因数の和:26913

約数の個数: 32

約数和(自身を含む): 461583360

約数和(自身を除く): 257511320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 26711, 53422, 106844, 133555, 213688, 267110, 534220, 1068440, 5101801, 10203602, 20407204, 25509005, 40814408, 51018010, 102036020, 204072040]

約数ペア:

[(1, 204072040), (2, 102036020), (4, 51018010), (5, 40814408), (8, 25509005), (10, 20407204), (20, 10203602), (40, 5101801), (191, 1068440), (382, 534220), (764, 267110), (955, 213688), (1528, 133555), (1910, 106844), (3820, 53422), (7640, 26711)]