25414220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 59151456

約数和(自身を除く): 33737236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 103, 130, 146, 169, 206, 260, 292, 338, 365, 412, 515, 676, 730, 845, 949, 1030, 1339, 1460, 1690, 1898, 2060, 2678, 3380, 3796, 4745, 5356, 6695, 7519, 9490, 12337, 13390, 15038, 17407, 18980, 24674, 26780, 30076, 34814, 37595, 49348, 61685, 69628, 75190, 87035, 97747, 123370, 150380, 174070, 195494, 246740, 348140, 390988, 488735, 977470, 1270711, 1954940, 2541422, 5082844, 6353555, 12707110, 25414220]

約数ペア:

[(1, 25414220), (2, 12707110), (4, 6353555), (5, 5082844), (10, 2541422), (13, 1954940), (20, 1270711), (26, 977470), (52, 488735), (65, 390988), (73, 348140), (103, 246740), (130, 195494), (146, 174070), (169, 150380), (206, 123370), (260, 97747), (292, 87035), (338, 75190), (365, 69628), (412, 61685), (515, 49348), (676, 37595), (730, 34814), (845, 30076), (949, 26780), (1030, 24674), (1339, 18980), (1460, 17407), (1690, 15038), (1898, 13390), (2060, 12337), (2678, 9490), (3380, 7519), (3796, 6695), (4745, 5356)]