22654220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 49744800

約数和(自身を除く): 27090580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 281, 290, 556, 562, 580, 695, 1124, 1390, 1405, 2780, 2810, 4031, 5620, 8062, 8149, 16124, 16298, 20155, 32596, 39059, 40310, 40745, 78118, 80620, 81490, 156236, 162980, 195295, 390590, 781180, 1132711, 2265422, 4530844, 5663555, 11327110, 22654220]

約数ペア:

[(1, 22654220), (2, 11327110), (4, 5663555), (5, 4530844), (10, 2265422), (20, 1132711), (29, 781180), (58, 390590), (116, 195295), (139, 162980), (145, 156236), (278, 81490), (281, 80620), (290, 78118), (556, 40745), (562, 40310), (580, 39059), (695, 32596), (1124, 20155), (1390, 16298), (1405, 16124), (2780, 8149), (2810, 8062), (4031, 5620)]