80156356

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 168112000

約数和(自身を除く): 87955644

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1579, 1813, 3158, 3626, 6316, 7252, 11053, 12691, 22106, 25382, 44212, 50764, 58423, 77371, 116846, 154742, 233692, 309484, 408961, 541597, 817922, 1083194, 1635844, 2166388, 2862727, 5725454, 11450908, 20039089, 40078178, 80156356]

約数ペア:

[(1, 80156356), (2, 40078178), (4, 20039089), (7, 11450908), (14, 5725454), (28, 2862727), (37, 2166388), (49, 1635844), (74, 1083194), (98, 817922), (148, 541597), (196, 408961), (259, 309484), (343, 233692), (518, 154742), (686, 116846), (1036, 77371), (1372, 58423), (1579, 50764), (1813, 44212), (3158, 25382), (3626, 22106), (6316, 12691), (7252, 11053)]