25406820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{739}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 77575680

約数和(自身を除く): 52168860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 739, 764, 955, 1146, 1478, 1719, 1910, 2217, 2292, 2865, 2956, 3438, 3695, 3820, 4434, 5730, 6651, 6876, 7390, 8595, 8868, 11085, 11460, 13302, 14780, 17190, 22170, 26604, 33255, 34380, 44340, 66510, 133020, 141149, 282298, 423447, 564596, 705745, 846894, 1270341, 1411490, 1693788, 2117235, 2540682, 2822980, 4234470, 5081364, 6351705, 8468940, 12703410, 25406820]

約数ペア:

[(1, 25406820), (2, 12703410), (3, 8468940), (4, 6351705), (5, 5081364), (6, 4234470), (9, 2822980), (10, 2540682), (12, 2117235), (15, 1693788), (18, 1411490), (20, 1270341), (30, 846894), (36, 705745), (45, 564596), (60, 423447), (90, 282298), (180, 141149), (191, 133020), (382, 66510), (573, 44340), (739, 34380), (764, 33255), (955, 26604), (1146, 22170), (1478, 17190), (1719, 14780), (1910, 13302), (2217, 11460), (2292, 11085), (2865, 8868), (2956, 8595), (3438, 7390), (3695, 6876), (3820, 6651), (4434, 5730)]