1226931875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{151007}}^1$

素因数の和:151040

約数の個数: 20

約数和(自身を含む): 1651121472

約数和(自身を除く): 424189597

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 151007, 755035, 1963091, 3775175, 9815455, 18875875, 49077275, 94379375, 245386375, 1226931875]

約数ペア:

[(1, 1226931875), (5, 245386375), (13, 94379375), (25, 49077275), (65, 18875875), (125, 9815455), (325, 3775175), (625, 1963091), (1625, 755035), (8125, 151007)]