11895740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 26036640

約数和(自身を除く): 14140900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 163, 164, 178, 205, 326, 356, 410, 445, 652, 815, 820, 890, 1630, 1780, 3260, 3649, 6683, 7298, 13366, 14507, 14596, 18245, 26732, 29014, 33415, 36490, 58028, 66830, 72535, 72980, 133660, 145070, 290140, 594787, 1189574, 2379148, 2973935, 5947870, 11895740]

約数ペア:

[(1, 11895740), (2, 5947870), (4, 2973935), (5, 2379148), (10, 1189574), (20, 594787), (41, 290140), (82, 145070), (89, 133660), (163, 72980), (164, 72535), (178, 66830), (205, 58028), (326, 36490), (356, 33415), (410, 29014), (445, 26732), (652, 18245), (815, 14596), (820, 14507), (890, 13366), (1630, 7298), (1780, 6683), (3260, 3649)]