85879420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9521}}^1$

素因数の和:9582

約数の個数: 48

約数和(自身を含む): 201561696

約数和(自身を除く): 115682276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 9521, 19042, 38084, 47605, 95210, 104731, 190420, 209462, 390361, 418924, 523655, 780722, 1047310, 1561444, 1951805, 2094620, 3903610, 4293971, 7807220, 8587942, 17175884, 21469855, 42939710, 85879420]

約数ペア:

[(1, 85879420), (2, 42939710), (4, 21469855), (5, 17175884), (10, 8587942), (11, 7807220), (20, 4293971), (22, 3903610), (41, 2094620), (44, 1951805), (55, 1561444), (82, 1047310), (110, 780722), (164, 523655), (205, 418924), (220, 390361), (410, 209462), (451, 190420), (820, 104731), (902, 95210), (1804, 47605), (2255, 38084), (4510, 19042), (9020, 9521)]