42521540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 93139200

約数和(自身を除く): 50617660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 167, 290, 334, 439, 580, 668, 835, 878, 1670, 1756, 2195, 3340, 4390, 4843, 8780, 9686, 12731, 19372, 24215, 25462, 48430, 50924, 63655, 73313, 96860, 127310, 146626, 254620, 293252, 366565, 733130, 1466260, 2126077, 4252154, 8504308, 10630385, 21260770, 42521540]

約数ペア:

[(1, 42521540), (2, 21260770), (4, 10630385), (5, 8504308), (10, 4252154), (20, 2126077), (29, 1466260), (58, 733130), (116, 366565), (145, 293252), (167, 254620), (290, 146626), (334, 127310), (439, 96860), (580, 73313), (668, 63655), (835, 50924), (878, 48430), (1670, 25462), (1756, 24215), (2195, 19372), (3340, 12731), (4390, 9686), (4843, 8780)]