8878720

素因数分解:

$2^7\times 5^1\times {\mathrm{13873}}^1$

素因数の和:13892

約数の個数: 32

約数和(自身を含む): 21227220

約数和(自身を除く): 12348500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13873, 27746, 55492, 69365, 110984, 138730, 221968, 277460, 443936, 554920, 887872, 1109840, 1775744, 2219680, 4439360, 8878720]

約数ペア:

[(1, 8878720), (2, 4439360), (4, 2219680), (5, 1775744), (8, 1109840), (10, 887872), (16, 554920), (20, 443936), (32, 277460), (40, 221968), (64, 138730), (80, 110984), (128, 69365), (160, 55492), (320, 27746), (640, 13873)]