31907020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 69346368

約数和(自身を除く): 37439348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 233, 334, 410, 466, 668, 820, 835, 932, 1165, 1670, 2330, 3340, 4660, 6847, 9553, 13694, 19106, 27388, 34235, 38212, 38911, 47765, 68470, 77822, 95530, 136940, 155644, 191060, 194555, 389110, 778220, 1595351, 3190702, 6381404, 7976755, 15953510, 31907020]

約数ペア:

[(1, 31907020), (2, 15953510), (4, 7976755), (5, 6381404), (10, 3190702), (20, 1595351), (41, 778220), (82, 389110), (164, 194555), (167, 191060), (205, 155644), (233, 136940), (334, 95530), (410, 77822), (466, 68470), (668, 47765), (820, 38911), (835, 38212), (932, 34235), (1165, 27388), (1670, 19106), (2330, 13694), (3340, 9553), (4660, 6847)]