61540840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{22963}}^1$

素因数の和:23041

約数の個数: 32

約数和(自身を含む): 140539680

約数和(自身を除く): 78998840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 22963, 45926, 91852, 114815, 183704, 229630, 459260, 918520, 1538521, 3077042, 6154084, 7692605, 12308168, 15385210, 30770420, 61540840]

約数ペア:

[(1, 61540840), (2, 30770420), (4, 15385210), (5, 12308168), (8, 7692605), (10, 6154084), (20, 3077042), (40, 1538521), (67, 918520), (134, 459260), (268, 229630), (335, 183704), (536, 114815), (670, 91852), (1340, 45926), (2680, 22963)]