54551660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1613}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 122018400

約数和(自身を除く): 67466740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1613, 1691, 1780, 3226, 3382, 6452, 6764, 8065, 8455, 16130, 16910, 30647, 32260, 33820, 61294, 122588, 143557, 153235, 287114, 306470, 574228, 612940, 717785, 1435570, 2727583, 2871140, 5455166, 10910332, 13637915, 27275830, 54551660]

約数ペア:

[(1, 54551660), (2, 27275830), (4, 13637915), (5, 10910332), (10, 5455166), (19, 2871140), (20, 2727583), (38, 1435570), (76, 717785), (89, 612940), (95, 574228), (178, 306470), (190, 287114), (356, 153235), (380, 143557), (445, 122588), (890, 61294), (1613, 33820), (1691, 32260), (1780, 30647), (3226, 16910), (3382, 16130), (6452, 8455), (6764, 8065)]