17728880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17047}}^1$

素因数の和:17073

約数の個数: 40

約数和(自身を含む): 44392992

約数和(自身を除く): 26664112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17047, 34094, 68188, 85235, 136376, 170470, 221611, 272752, 340940, 443222, 681880, 886444, 1108055, 1363760, 1772888, 2216110, 3545776, 4432220, 8864440, 17728880]

約数ペア:

[(1, 17728880), (2, 8864440), (4, 4432220), (5, 3545776), (8, 2216110), (10, 1772888), (13, 1363760), (16, 1108055), (20, 886444), (26, 681880), (40, 443222), (52, 340940), (65, 272752), (80, 221611), (104, 170470), (130, 136376), (208, 85235), (260, 68188), (520, 34094), (1040, 17047)]