8129920

素因数分解:

$2^7\times 5^1\times {\mathrm{12703}}^1$

素因数の和:12722

約数の個数: 32

約数和(自身を含む): 19437120

約数和(自身を除く): 11307200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12703, 25406, 50812, 63515, 101624, 127030, 203248, 254060, 406496, 508120, 812992, 1016240, 1625984, 2032480, 4064960, 8129920]

約数ペア:

[(1, 8129920), (2, 4064960), (4, 2032480), (5, 1625984), (8, 1016240), (10, 812992), (16, 508120), (20, 406496), (32, 254060), (40, 203248), (64, 127030), (80, 101624), (128, 63515), (160, 50812), (320, 25406), (640, 12703)]