129667040

素因数分解:

$2^5\times 5^1\times {\mathrm{810419}}^1$

素因数の和:810434

約数の個数: 24

約数和(自身を含む): 306338760

約数和(自身を除く): 176671720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 810419, 1620838, 3241676, 4052095, 6483352, 8104190, 12966704, 16208380, 25933408, 32416760, 64833520, 129667040]

約数ペア:

[(1, 129667040), (2, 64833520), (4, 32416760), (5, 25933408), (8, 16208380), (10, 12966704), (16, 8104190), (20, 6483352), (32, 4052095), (40, 3241676), (80, 1620838), (160, 810419)]