80338160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143461}}^1$

素因数の和:143481

約数の個数: 40

約数和(自身を含む): 213471456

約数和(自身を除く): 133133296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143461, 286922, 573844, 717305, 1004227, 1147688, 1434610, 2008454, 2295376, 2869220, 4016908, 5021135, 5738440, 8033816, 10042270, 11476880, 16067632, 20084540, 40169080, 80338160]

約数ペア:

[(1, 80338160), (2, 40169080), (4, 20084540), (5, 16067632), (7, 11476880), (8, 10042270), (10, 8033816), (14, 5738440), (16, 5021135), (20, 4016908), (28, 2869220), (35, 2295376), (40, 2008454), (56, 1434610), (70, 1147688), (80, 1004227), (112, 717305), (140, 573844), (280, 286922), (560, 143461)]