19615694720

素因数分解:

$2^7\times 5^1\times {\mathrm{30649523}}^1$

素因数の和:30649542

約数の個数: 32

約数和(自身を含む): 46893771720

約数和(自身を除く): 27278077000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30649523, 61299046, 122598092, 153247615, 245196184, 306495230, 490392368, 612990460, 980784736, 1225980920, 1961569472, 2451961840, 3923138944, 4903923680, 9807847360, 19615694720]

約数ペア:

[(1, 19615694720), (2, 9807847360), (4, 4903923680), (5, 3923138944), (8, 2451961840), (10, 1961569472), (16, 1225980920), (20, 980784736), (32, 612990460), (40, 490392368), (64, 306495230), (80, 245196184), (128, 153247615), (160, 122598092), (320, 61299046), (640, 30649523)]