69941720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7841}}^1$

素因数の和:8075

約数の個数: 32

約数和(自身を含む): 158094720

約数和(自身を除く): 88153000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 7841, 8920, 15682, 31364, 39205, 62728, 78410, 156820, 313640, 1748543, 3497086, 6994172, 8742715, 13988344, 17485430, 34970860, 69941720]

約数ペア:

[(1, 69941720), (2, 34970860), (4, 17485430), (5, 13988344), (8, 8742715), (10, 6994172), (20, 3497086), (40, 1748543), (223, 313640), (446, 156820), (892, 78410), (1115, 62728), (1784, 39205), (2230, 31364), (4460, 15682), (7841, 8920)]