39968176

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 81308288

約数和(自身を除く): 41340112

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1321, 1891, 2642, 3782, 5284, 7564, 10568, 15128, 21136, 30256, 40951, 80581, 81902, 161162, 163804, 322324, 327608, 644648, 655216, 1289296, 2498011, 4996022, 9992044, 19984088, 39968176]

約数ペア:

[(1, 39968176), (2, 19984088), (4, 9992044), (8, 4996022), (16, 2498011), (31, 1289296), (61, 655216), (62, 644648), (122, 327608), (124, 322324), (244, 163804), (248, 161162), (488, 81902), (496, 80581), (976, 40951), (1321, 30256), (1891, 21136), (2642, 15128), (3782, 10568), (5284, 7564)]