16612280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13397}}^1$

素因数の和:13439

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 21973960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13397, 26794, 53588, 66985, 107176, 133970, 267940, 415307, 535880, 830614, 1661228, 2076535, 3322456, 4153070, 8306140, 16612280]

約数ペア:

[(1, 16612280), (2, 8306140), (4, 4153070), (5, 3322456), (8, 2076535), (10, 1661228), (20, 830614), (31, 535880), (40, 415307), (62, 267940), (124, 133970), (155, 107176), (248, 66985), (310, 53588), (620, 26794), (1240, 13397)]