8790020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 19813248

約数和(自身を除く): 11023228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 251, 340, 412, 502, 515, 1004, 1030, 1255, 1751, 2060, 2510, 3502, 4267, 5020, 7004, 8534, 8755, 17068, 17510, 21335, 25853, 35020, 42670, 51706, 85340, 103412, 129265, 258530, 439501, 517060, 879002, 1758004, 2197505, 4395010, 8790020]

約数ペア:

[(1, 8790020), (2, 4395010), (4, 2197505), (5, 1758004), (10, 879002), (17, 517060), (20, 439501), (34, 258530), (68, 129265), (85, 103412), (103, 85340), (170, 51706), (206, 42670), (251, 35020), (340, 25853), (412, 21335), (502, 17510), (515, 17068), (1004, 8755), (1030, 8534), (1255, 7004), (1751, 5020), (2060, 4267), (2510, 3502)]