2000050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 4265352

約数和(自身を除く): 2265302

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 181, 221, 325, 362, 425, 442, 650, 850, 905, 1105, 1810, 2210, 2353, 3077, 4525, 4706, 5525, 6154, 9050, 11050, 11765, 15385, 23530, 30770, 40001, 58825, 76925, 80002, 117650, 153850, 200005, 400010, 1000025, 2000050]

約数ペア:

[(1, 2000050), (2, 1000025), (5, 400010), (10, 200005), (13, 153850), (17, 117650), (25, 80002), (26, 76925), (34, 58825), (50, 40001), (65, 30770), (85, 23530), (130, 15385), (170, 11765), (181, 11050), (221, 9050), (325, 6154), (362, 5525), (425, 4706), (442, 4525), (650, 3077), (850, 2353), (905, 2210), (1105, 1810)]