30180680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10627}}^1$

素因数の和:10709

約数の個数: 32

約数和(自身を含む): 68869440

約数和(自身を除く): 38688760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10627, 21254, 42508, 53135, 85016, 106270, 212540, 425080, 754517, 1509034, 3018068, 3772585, 6036136, 7545170, 15090340, 30180680]

約数ペア:

[(1, 30180680), (2, 15090340), (4, 7545170), (5, 6036136), (8, 3772585), (10, 3018068), (20, 1509034), (40, 754517), (71, 425080), (142, 212540), (284, 106270), (355, 85016), (568, 53135), (710, 42508), (1420, 21254), (2840, 10627)]