8864440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17047}}^1$

素因数の和:17071

約数の個数: 32

約数和(自身を含む): 21480480

約数和(自身を除く): 12616040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17047, 34094, 68188, 85235, 136376, 170470, 221611, 340940, 443222, 681880, 886444, 1108055, 1772888, 2216110, 4432220, 8864440]

約数ペア:

[(1, 8864440), (2, 4432220), (4, 2216110), (5, 1772888), (8, 1108055), (10, 886444), (13, 681880), (20, 443222), (26, 340940), (40, 221611), (52, 170470), (65, 136376), (104, 85235), (130, 68188), (260, 34094), (520, 17047)]