218724560

素因数分解:

$2^4\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{2141}}^1$

素因数の和:3431

約数の個数: 40

約数和(自身を含む): 509170536

約数和(自身を除く): 290445976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1277, 2141, 2554, 4282, 5108, 6385, 8564, 10216, 10705, 12770, 17128, 20432, 21410, 25540, 34256, 42820, 51080, 85640, 102160, 171280, 2734057, 5468114, 10936228, 13670285, 21872456, 27340570, 43744912, 54681140, 109362280, 218724560]

約数ペア:

[(1, 218724560), (2, 109362280), (4, 54681140), (5, 43744912), (8, 27340570), (10, 21872456), (16, 13670285), (20, 10936228), (40, 5468114), (80, 2734057), (1277, 171280), (2141, 102160), (2554, 85640), (4282, 51080), (5108, 42820), (6385, 34256), (8564, 25540), (10216, 21410), (10705, 20432), (12770, 17128)]