8158491020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{14897}}^1$

素因数の和:15242

約数の個数: 48

約数和(自身を含む): 17344847520

約数和(自身を除く): 9186356500

約数列:

[1, 2, 4, 5, 10, 20, 139, 197, 278, 394, 556, 695, 788, 985, 1390, 1970, 2780, 3940, 14897, 27383, 29794, 54766, 59588, 74485, 109532, 136915, 148970, 273830, 297940, 547660, 2070683, 2934709, 4141366, 5869418, 8282732, 10353415, 11738836, 14673545, 20706830, 29347090, 41413660, 58694180, 407924551, 815849102, 1631698204, 2039622755, 4079245510, 8158491020]

約数ペア:

[(1, 8158491020), (2, 4079245510), (4, 2039622755), (5, 1631698204), (10, 815849102), (20, 407924551), (139, 58694180), (197, 41413660), (278, 29347090), (394, 20706830), (556, 14673545), (695, 11738836), (788, 10353415), (985, 8282732), (1390, 5869418), (1970, 4141366), (2780, 2934709), (3940, 2070683), (14897, 547660), (27383, 297940), (29794, 273830), (54766, 148970), (59588, 136915), (74485, 109532)]