66805180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2887}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 152832960

約数和(自身を除く): 86027780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 2887, 4628, 5774, 5785, 11548, 11570, 14435, 23140, 28870, 37531, 57740, 75062, 150124, 187655, 256943, 375310, 513886, 750620, 1027772, 1284715, 2569430, 3340259, 5138860, 6680518, 13361036, 16701295, 33402590, 66805180]

約数ペア:

[(1, 66805180), (2, 33402590), (4, 16701295), (5, 13361036), (10, 6680518), (13, 5138860), (20, 3340259), (26, 2569430), (52, 1284715), (65, 1027772), (89, 750620), (130, 513886), (178, 375310), (260, 256943), (356, 187655), (445, 150124), (890, 75062), (1157, 57740), (1780, 37531), (2314, 28870), (2887, 23140), (4628, 14435), (5774, 11570), (5785, 11548)]