5198720

素因数分解:

$2^7\times 5^1\times {\mathrm{8123}}^1$

素因数の和:8142

約数の個数: 32

約数和(自身を含む): 12429720

約数和(自身を除く): 7231000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 259936, 324920, 519872, 649840, 1039744, 1299680, 2599360, 5198720]

約数ペア:

[(1, 5198720), (2, 2599360), (4, 1299680), (5, 1039744), (8, 649840), (10, 519872), (16, 324920), (20, 259936), (32, 162460), (40, 129968), (64, 81230), (80, 64984), (128, 40615), (160, 32492), (320, 16246), (640, 8123)]