31043120

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2243}}^1$

素因数の和:2429

約数の個数: 40

約数和(自身を含む): 72624816

約数和(自身を除く): 41581696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2243, 2768, 3460, 4486, 6920, 8972, 11215, 13840, 17944, 22430, 35888, 44860, 89720, 179440, 388039, 776078, 1552156, 1940195, 3104312, 3880390, 6208624, 7760780, 15521560, 31043120]

約数ペア:

[(1, 31043120), (2, 15521560), (4, 7760780), (5, 6208624), (8, 3880390), (10, 3104312), (16, 1940195), (20, 1552156), (40, 776078), (80, 388039), (173, 179440), (346, 89720), (692, 44860), (865, 35888), (1384, 22430), (1730, 17944), (2243, 13840), (2768, 11215), (3460, 8972), (4486, 6920)]