80669740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 178057152

約数和(自身を除く): 97387412

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 628, 785, 1117, 1570, 2234, 3140, 3611, 4468, 5585, 7222, 11170, 14444, 18055, 22340, 25691, 36110, 51382, 72220, 102764, 128455, 175369, 256910, 350738, 513820, 701476, 876845, 1753690, 3507380, 4033487, 8066974, 16133948, 20167435, 40334870, 80669740]

約数ペア:

[(1, 80669740), (2, 40334870), (4, 20167435), (5, 16133948), (10, 8066974), (20, 4033487), (23, 3507380), (46, 1753690), (92, 876845), (115, 701476), (157, 513820), (230, 350738), (314, 256910), (460, 175369), (628, 128455), (785, 102764), (1117, 72220), (1570, 51382), (2234, 36110), (3140, 25691), (3611, 22340), (4468, 18055), (5585, 14444), (7222, 11170)]