25155260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3174

約数の個数: 48

約数和(自身を含む): 58743552

約数和(自身を除く): 33588292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3121, 4030, 6242, 8060, 12484, 15605, 31210, 40573, 62420, 81146, 96751, 162292, 193502, 202865, 387004, 405730, 483755, 811460, 967510, 1257763, 1935020, 2515526, 5031052, 6288815, 12577630, 25155260]

約数ペア:

[(1, 25155260), (2, 12577630), (4, 6288815), (5, 5031052), (10, 2515526), (13, 1935020), (20, 1257763), (26, 967510), (31, 811460), (52, 483755), (62, 405730), (65, 387004), (124, 202865), (130, 193502), (155, 162292), (260, 96751), (310, 81146), (403, 62420), (620, 40573), (806, 31210), (1612, 15605), (2015, 12484), (3121, 8060), (4030, 6242)]