25102520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7561}}^1$

素因数の和:7655

約数の個数: 32

約数和(自身を含む): 57168720

約数和(自身を除く): 32066200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 7561, 15122, 30244, 37805, 60488, 75610, 151220, 302440, 627563, 1255126, 2510252, 3137815, 5020504, 6275630, 12551260, 25102520]

約数ペア:

[(1, 25102520), (2, 12551260), (4, 6275630), (5, 5020504), (8, 3137815), (10, 2510252), (20, 1255126), (40, 627563), (83, 302440), (166, 151220), (332, 75610), (415, 60488), (664, 37805), (830, 30244), (1660, 15122), (3320, 7561)]