99995090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20789}}^1$

素因数の和:20846

約数の個数: 32

約数和(自身を含む): 199085040

約数和(自身を除く): 99089950

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 20789, 41578, 103945, 207890, 270257, 540514, 769193, 1351285, 1538386, 2702570, 3845965, 7691930, 9999509, 19999018, 49997545, 99995090]

約数ペア:

[(1, 99995090), (2, 49997545), (5, 19999018), (10, 9999509), (13, 7691930), (26, 3845965), (37, 2702570), (65, 1538386), (74, 1351285), (130, 769193), (185, 540514), (370, 270257), (481, 207890), (962, 103945), (2405, 41578), (4810, 20789)]