200640245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 266716800

約数和(自身を除く): 66076555

約数列:

[1, 5, 13, 53, 65, 139, 265, 419, 689, 695, 1807, 2095, 3445, 5447, 7367, 9035, 22207, 27235, 36835, 58241, 95771, 111035, 288691, 291205, 478855, 757133, 1443455, 3086773, 3785665, 15433865, 40128049, 200640245]

約数ペア:

[(1, 200640245), (5, 40128049), (13, 15433865), (53, 3785665), (65, 3086773), (139, 1443455), (265, 757133), (419, 478855), (689, 291205), (695, 288691), (1807, 111035), (2095, 95771), (3445, 58241), (5447, 36835), (7367, 27235), (9035, 22207)]