15721465220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3407}}^1\times {\mathrm{4909}}^1$

素因数の和:8372

約数の個数: 48

約数和(自身を含む): 33734292480

約数和(自身を除く): 18012827260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 3407, 4909, 6814, 9818, 13628, 17035, 19636, 24545, 34070, 49090, 68140, 98180, 160129, 230723, 320258, 461446, 640516, 800645, 922892, 1153615, 1601290, 2307230, 3202580, 4614460, 16724963, 33449926, 66899852, 83624815, 167249630, 334499260, 786073261, 1572146522, 3144293044, 3930366305, 7860732610, 15721465220]

約数ペア:

[(1, 15721465220), (2, 7860732610), (4, 3930366305), (5, 3144293044), (10, 1572146522), (20, 786073261), (47, 334499260), (94, 167249630), (188, 83624815), (235, 66899852), (470, 33449926), (940, 16724963), (3407, 4614460), (4909, 3202580), (6814, 2307230), (9818, 1601290), (13628, 1153615), (17035, 922892), (19636, 800645), (24545, 640516), (34070, 461446), (49090, 320258), (68140, 230723), (98180, 160129)]