61791640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{29147}}^1$

素因数の和:29211

約数の個数: 32

約数和(自身を含む): 141659280

約数和(自身を除く): 79867640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 29147, 58294, 116588, 145735, 233176, 291470, 582940, 1165880, 1544791, 3089582, 6179164, 7723955, 12358328, 15447910, 30895820, 61791640]

約数ペア:

[(1, 61791640), (2, 30895820), (4, 15447910), (5, 12358328), (8, 7723955), (10, 6179164), (20, 3089582), (40, 1544791), (53, 1165880), (106, 582940), (212, 291470), (265, 233176), (424, 145735), (530, 116588), (1060, 58294), (2120, 29147)]