47290220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 102918816

約数和(自身を除く): 55628596

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 571, 820, 1010, 1142, 2020, 2284, 2855, 4141, 5710, 8282, 11420, 16564, 20705, 23411, 41410, 46822, 57671, 82820, 93644, 115342, 117055, 230684, 234110, 288355, 468220, 576710, 1153420, 2364511, 4729022, 9458044, 11822555, 23645110, 47290220]

約数ペア:

[(1, 47290220), (2, 23645110), (4, 11822555), (5, 9458044), (10, 4729022), (20, 2364511), (41, 1153420), (82, 576710), (101, 468220), (164, 288355), (202, 234110), (205, 230684), (404, 117055), (410, 115342), (505, 93644), (571, 82820), (820, 57671), (1010, 46822), (1142, 41410), (2020, 23411), (2284, 20705), (2855, 16564), (4141, 11420), (5710, 8282)]