66417680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{118603}}^1$

素因数の和:118623

約数の個数: 40

約数和(自身を含む): 176482752

約数和(自身を除く): 110065072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 118603, 237206, 474412, 593015, 830221, 948824, 1186030, 1660442, 1897648, 2372060, 3320884, 4151105, 4744120, 6641768, 8302210, 9488240, 13283536, 16604420, 33208840, 66417680]

約数ペア:

[(1, 66417680), (2, 33208840), (4, 16604420), (5, 13283536), (7, 9488240), (8, 8302210), (10, 6641768), (14, 4744120), (16, 4151105), (20, 3320884), (28, 2372060), (35, 1897648), (40, 1660442), (56, 1186030), (70, 948824), (80, 830221), (112, 593015), (140, 474412), (280, 237206), (560, 118603)]