8293480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 20638800

約数和(自身を除く): 12345320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 389, 410, 520, 533, 778, 820, 1066, 1556, 1640, 1945, 2132, 2665, 3112, 3890, 4264, 5057, 5330, 7780, 10114, 10660, 15560, 15949, 20228, 21320, 25285, 31898, 40456, 50570, 63796, 79745, 101140, 127592, 159490, 202280, 207337, 318980, 414674, 637960, 829348, 1036685, 1658696, 2073370, 4146740, 8293480]

約数ペア:

[(1, 8293480), (2, 4146740), (4, 2073370), (5, 1658696), (8, 1036685), (10, 829348), (13, 637960), (20, 414674), (26, 318980), (40, 207337), (41, 202280), (52, 159490), (65, 127592), (82, 101140), (104, 79745), (130, 63796), (164, 50570), (205, 40456), (260, 31898), (328, 25285), (389, 21320), (410, 20228), (520, 15949), (533, 15560), (778, 10660), (820, 10114), (1066, 7780), (1556, 5330), (1640, 5057), (1945, 4264), (2132, 3890), (2665, 3112)]