20084975800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1271201}}^1$

素因数の和:1271296

約数の個数: 48

約数和(自身を含む): 47288714400

約数和(自身を除く): 27203738600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 15800, 1271201, 2542402, 5084804, 6356005, 10169608, 12712010, 25424020, 31780025, 50848040, 63560050, 100424879, 127120100, 200849758, 254240200, 401699516, 502124395, 803399032, 1004248790, 2008497580, 2510621975, 4016995160, 5021243950, 10042487900, 20084975800]

約数ペア:

[(1, 20084975800), (2, 10042487900), (4, 5021243950), (5, 4016995160), (8, 2510621975), (10, 2008497580), (20, 1004248790), (25, 803399032), (40, 502124395), (50, 401699516), (79, 254240200), (100, 200849758), (158, 127120100), (200, 100424879), (316, 63560050), (395, 50848040), (632, 31780025), (790, 25424020), (1580, 12712010), (1975, 10169608), (3160, 6356005), (3950, 5084804), (7900, 2542402), (15800, 1271201)]