25753240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7757}}^1$

素因数の和:7851

約数の個数: 32

約数和(自身を含む): 58650480

約数和(自身を除く): 32897240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 7757, 15514, 31028, 38785, 62056, 77570, 155140, 310280, 643831, 1287662, 2575324, 3219155, 5150648, 6438310, 12876620, 25753240]

約数ペア:

[(1, 25753240), (2, 12876620), (4, 6438310), (5, 5150648), (8, 3219155), (10, 2575324), (20, 1287662), (40, 643831), (83, 310280), (166, 155140), (332, 77570), (415, 62056), (664, 38785), (830, 31028), (1660, 15514), (3320, 7757)]