77605360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138581}}^1$

素因数の和:138601

約数の個数: 40

約数和(自身を含む): 206210016

約数和(自身を除く): 128604656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138581, 277162, 554324, 692905, 970067, 1108648, 1385810, 1940134, 2217296, 2771620, 3880268, 4850335, 5543240, 7760536, 9700670, 11086480, 15521072, 19401340, 38802680, 77605360]

約数ペア:

[(1, 77605360), (2, 38802680), (4, 19401340), (5, 15521072), (7, 11086480), (8, 9700670), (10, 7760536), (14, 5543240), (16, 4850335), (20, 3880268), (28, 2771620), (35, 2217296), (40, 1940134), (56, 1385810), (70, 1108648), (80, 970067), (112, 692905), (140, 554324), (280, 277162), (560, 138581)]