61708840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18587}}^1$

素因数の和:18681

約数の個数: 32

約数和(自身を含む): 140525280

約数和(自身を除く): 78816440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 18587, 37174, 74348, 92935, 148696, 185870, 371740, 743480, 1542721, 3085442, 6170884, 7713605, 12341768, 15427210, 30854420, 61708840]

約数ペア:

[(1, 61708840), (2, 30854420), (4, 15427210), (5, 12341768), (8, 7713605), (10, 6170884), (20, 3085442), (40, 1542721), (83, 743480), (166, 371740), (332, 185870), (415, 148696), (664, 92935), (830, 74348), (1660, 37174), (3320, 18587)]