12682720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2603

約数の個数: 48

約数和(自身を含む): 30941568

約数和(自身を除く): 18258848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 2557, 4960, 5114, 10228, 12785, 20456, 25570, 40912, 51140, 79267, 81824, 102280, 158534, 204560, 317068, 396335, 409120, 634136, 792670, 1268272, 1585340, 2536544, 3170680, 6341360, 12682720]

約数ペア:

[(1, 12682720), (2, 6341360), (4, 3170680), (5, 2536544), (8, 1585340), (10, 1268272), (16, 792670), (20, 634136), (31, 409120), (32, 396335), (40, 317068), (62, 204560), (80, 158534), (124, 102280), (155, 81824), (160, 79267), (248, 51140), (310, 40912), (496, 25570), (620, 20456), (992, 12785), (1240, 10228), (2480, 5114), (2557, 4960)]