78921200

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1033}}^1$

素因数の和:1242

約数の個数: 60

約数和(自身を含む): 190785408

約数和(自身を除く): 111864208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 382, 400, 764, 955, 1033, 1528, 1910, 2066, 3056, 3820, 4132, 4775, 5165, 7640, 8264, 9550, 10330, 15280, 16528, 19100, 20660, 25825, 38200, 41320, 51650, 76400, 82640, 103300, 197303, 206600, 394606, 413200, 789212, 986515, 1578424, 1973030, 3156848, 3946060, 4932575, 7892120, 9865150, 15784240, 19730300, 39460600, 78921200]

約数ペア:

[(1, 78921200), (2, 39460600), (4, 19730300), (5, 15784240), (8, 9865150), (10, 7892120), (16, 4932575), (20, 3946060), (25, 3156848), (40, 1973030), (50, 1578424), (80, 986515), (100, 789212), (191, 413200), (200, 394606), (382, 206600), (400, 197303), (764, 103300), (955, 82640), (1033, 76400), (1528, 51650), (1910, 41320), (2066, 38200), (3056, 25825), (3820, 20660), (4132, 19100), (4775, 16528), (5165, 15280), (7640, 10330), (8264, 9550)]