9870640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9491}}^1$

素因数の和:9517

約数の個数: 40

約数和(自身を含む): 24717168

約数和(自身を除く): 14846528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 9491, 18982, 37964, 47455, 75928, 94910, 123383, 151856, 189820, 246766, 379640, 493532, 616915, 759280, 987064, 1233830, 1974128, 2467660, 4935320, 9870640]

約数ペア:

[(1, 9870640), (2, 4935320), (4, 2467660), (5, 1974128), (8, 1233830), (10, 987064), (13, 759280), (16, 616915), (20, 493532), (26, 379640), (40, 246766), (52, 189820), (65, 151856), (80, 123383), (104, 94910), (130, 75928), (208, 47455), (260, 37964), (520, 18982), (1040, 9491)]