2016378725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 2658686976

約数和(自身を除く): 642308251

約数列:

[1, 5, 25, 31, 47, 155, 197, 235, 281, 775, 985, 1175, 1405, 1457, 4925, 6107, 7025, 7285, 8711, 9259, 13207, 30535, 36425, 43555, 46295, 55357, 66035, 152675, 217775, 231475, 276785, 287029, 330175, 409417, 1383925, 1435145, 1716067, 2047085, 2601779, 7175725, 8580335, 10235425, 13008895, 42901675, 65044475, 80655149, 403275745, 2016378725]

約数ペア:

[(1, 2016378725), (5, 403275745), (25, 80655149), (31, 65044475), (47, 42901675), (155, 13008895), (197, 10235425), (235, 8580335), (281, 7175725), (775, 2601779), (985, 2047085), (1175, 1716067), (1405, 1435145), (1457, 1383925), (4925, 409417), (6107, 330175), (7025, 287029), (7285, 276785), (8711, 231475), (9259, 217775), (13207, 152675), (30535, 66035), (36425, 55357), (43555, 46295)]