26964440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 63344160

約数和(自身を除く): 36379720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 257, 305, 344, 430, 488, 514, 610, 860, 1028, 1220, 1285, 1720, 2056, 2440, 2570, 2623, 5140, 5246, 10280, 10492, 11051, 13115, 15677, 20984, 22102, 26230, 31354, 44204, 52460, 55255, 62708, 78385, 88408, 104920, 110510, 125416, 156770, 221020, 313540, 442040, 627080, 674111, 1348222, 2696444, 3370555, 5392888, 6741110, 13482220, 26964440]

約数ペア:

[(1, 26964440), (2, 13482220), (4, 6741110), (5, 5392888), (8, 3370555), (10, 2696444), (20, 1348222), (40, 674111), (43, 627080), (61, 442040), (86, 313540), (122, 221020), (172, 156770), (215, 125416), (244, 110510), (257, 104920), (305, 88408), (344, 78385), (430, 62708), (488, 55255), (514, 52460), (610, 44204), (860, 31354), (1028, 26230), (1220, 22102), (1285, 20984), (1720, 15677), (2056, 13115), (2440, 11051), (2570, 10492), (2623, 10280), (5140, 5246)]