51708820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 111440448

約数和(自身を除く): 59731628

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 214, 292, 331, 365, 428, 535, 662, 730, 1070, 1324, 1460, 1655, 2140, 3310, 6620, 7811, 15622, 24163, 31244, 35417, 39055, 48326, 70834, 78110, 96652, 120815, 141668, 156220, 177085, 241630, 354170, 483260, 708340, 2585441, 5170882, 10341764, 12927205, 25854410, 51708820]

約数ペア:

[(1, 51708820), (2, 25854410), (4, 12927205), (5, 10341764), (10, 5170882), (20, 2585441), (73, 708340), (107, 483260), (146, 354170), (214, 241630), (292, 177085), (331, 156220), (365, 141668), (428, 120815), (535, 96652), (662, 78110), (730, 70834), (1070, 48326), (1324, 39055), (1460, 35417), (1655, 31244), (2140, 24163), (3310, 15622), (6620, 7811)]