69888520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{134401}}^1$

素因数の和:134425

約数の個数: 32

約数和(自身を含む): 169346520

約数和(自身を除く): 99458000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 134401, 268802, 537604, 672005, 1075208, 1344010, 1747213, 2688020, 3494426, 5376040, 6988852, 8736065, 13977704, 17472130, 34944260, 69888520]

約数ペア:

[(1, 69888520), (2, 34944260), (4, 17472130), (5, 13977704), (8, 8736065), (10, 6988852), (13, 5376040), (20, 3494426), (26, 2688020), (40, 1747213), (52, 1344010), (65, 1075208), (104, 672005), (130, 537604), (260, 268802), (520, 134401)]