20626250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 40

約数和(自身を含む): 40065300

約数和(自身を除く): 19439050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 569, 625, 725, 1138, 1250, 1450, 2845, 3625, 5690, 7250, 14225, 16501, 18125, 28450, 33002, 36250, 71125, 82505, 142250, 165010, 355625, 412525, 711250, 825050, 2062625, 4125250, 10313125, 20626250]

約数ペア:

[(1, 20626250), (2, 10313125), (5, 4125250), (10, 2062625), (25, 825050), (29, 711250), (50, 412525), (58, 355625), (125, 165010), (145, 142250), (250, 82505), (290, 71125), (569, 36250), (625, 33002), (725, 28450), (1138, 18125), (1250, 16501), (1450, 14225), (2845, 7250), (3625, 5690)]