12511065940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{15601}}^1$

素因数の和:16108

約数の個数: 48

約数和(自身を含む): 26601909264

約数和(自身を除く): 14090843324

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 397, 404, 505, 794, 1010, 1588, 1985, 2020, 3970, 7940, 15601, 31202, 40097, 62404, 78005, 80194, 156010, 160388, 200485, 312020, 400970, 801940, 1575701, 3151402, 6193597, 6302804, 7878505, 12387194, 15757010, 24774388, 30967985, 31514020, 61935970, 123871940, 625553297, 1251106594, 2502213188, 3127766485, 6255532970, 12511065940]

約数ペア:

[(1, 12511065940), (2, 6255532970), (4, 3127766485), (5, 2502213188), (10, 1251106594), (20, 625553297), (101, 123871940), (202, 61935970), (397, 31514020), (404, 30967985), (505, 24774388), (794, 15757010), (1010, 12387194), (1588, 7878505), (1985, 6302804), (2020, 6193597), (3970, 3151402), (7940, 1575701), (15601, 801940), (31202, 400970), (40097, 312020), (62404, 200485), (78005, 160388), (80194, 156010)]