8180450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 16368000

約数和(自身を除く): 8187550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 109, 158, 190, 218, 395, 475, 545, 790, 950, 1090, 1501, 1975, 2071, 2725, 3002, 3950, 4142, 5450, 7505, 8611, 10355, 15010, 17222, 20710, 37525, 43055, 51775, 75050, 86110, 103550, 163609, 215275, 327218, 430550, 818045, 1636090, 4090225, 8180450]

約数ペア:

[(1, 8180450), (2, 4090225), (5, 1636090), (10, 818045), (19, 430550), (25, 327218), (38, 215275), (50, 163609), (79, 103550), (95, 86110), (109, 75050), (158, 51775), (190, 43055), (218, 37525), (395, 20710), (475, 17222), (545, 15010), (790, 10355), (950, 8611), (1090, 7505), (1501, 5450), (1975, 4142), (2071, 3950), (2725, 3002)]