69620720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66943}}^1$

素因数の和:66969

約数の個数: 40

約数和(自身を含む): 174322176

約数和(自身を除く): 104701456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 66943, 133886, 267772, 334715, 535544, 669430, 870259, 1071088, 1338860, 1740518, 2677720, 3481036, 4351295, 5355440, 6962072, 8702590, 13924144, 17405180, 34810360, 69620720]

約数ペア:

[(1, 69620720), (2, 34810360), (4, 17405180), (5, 13924144), (8, 8702590), (10, 6962072), (13, 5355440), (16, 4351295), (20, 3481036), (26, 2677720), (40, 1740518), (52, 1338860), (65, 1071088), (80, 870259), (104, 669430), (130, 535544), (208, 334715), (260, 267772), (520, 133886), (1040, 66943)]