13223680

素因数分解:

$2^8\times 5^1\times {\mathrm{10331}}^1$

素因数の和:10352

約数の個数: 36

約数和(自身を含む): 31677912

約数和(自身を除く): 18454232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10331, 20662, 41324, 51655, 82648, 103310, 165296, 206620, 330592, 413240, 661184, 826480, 1322368, 1652960, 2644736, 3305920, 6611840, 13223680]

約数ペア:

[(1, 13223680), (2, 6611840), (4, 3305920), (5, 2644736), (8, 1652960), (10, 1322368), (16, 826480), (20, 661184), (32, 413240), (40, 330592), (64, 206620), (80, 165296), (128, 103310), (160, 82648), (256, 51655), (320, 41324), (640, 20662), (1280, 10331)]