1563920

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 3689496

約数和(自身を除く): 2125576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 173, 226, 346, 452, 565, 692, 865, 904, 1130, 1384, 1730, 1808, 2260, 2768, 3460, 4520, 6920, 9040, 13840, 19549, 39098, 78196, 97745, 156392, 195490, 312784, 390980, 781960, 1563920]

約数ペア:

[(1, 1563920), (2, 781960), (4, 390980), (5, 312784), (8, 195490), (10, 156392), (16, 97745), (20, 78196), (40, 39098), (80, 19549), (113, 13840), (173, 9040), (226, 6920), (346, 4520), (452, 3460), (565, 2768), (692, 2260), (865, 1808), (904, 1730), (1130, 1384)]