25470256

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3203}}^1$

素因数の和:3289

約数の個数: 40

約数和(自身を含む): 57210624

約数和(自身を除く): 31740368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3203, 3976, 6406, 7952, 12812, 22421, 25624, 44842, 51248, 89684, 179368, 227413, 358736, 454826, 909652, 1591891, 1819304, 3183782, 3638608, 6367564, 12735128, 25470256]

約数ペア:

[(1, 25470256), (2, 12735128), (4, 6367564), (7, 3638608), (8, 3183782), (14, 1819304), (16, 1591891), (28, 909652), (56, 454826), (71, 358736), (112, 227413), (142, 179368), (284, 89684), (497, 51248), (568, 44842), (994, 25624), (1136, 22421), (1988, 12812), (3203, 7952), (3976, 6406)]