66930820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6473}}^1$

素因数の和:6540

約数の個数: 48

約数和(自身を含む): 156619008

約数和(自身を除く): 89688188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 6473, 10340, 12946, 25892, 32365, 64730, 71203, 129460, 142406, 284812, 304231, 356015, 608462, 712030, 1216924, 1424060, 1521155, 3042310, 3346541, 6084620, 6693082, 13386164, 16732705, 33465410, 66930820]

約数ペア:

[(1, 66930820), (2, 33465410), (4, 16732705), (5, 13386164), (10, 6693082), (11, 6084620), (20, 3346541), (22, 3042310), (44, 1521155), (47, 1424060), (55, 1216924), (94, 712030), (110, 608462), (188, 356015), (220, 304231), (235, 284812), (470, 142406), (517, 129460), (940, 71203), (1034, 64730), (2068, 32365), (2585, 25892), (5170, 12946), (6473, 10340)]