61571320

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1493}}^1$

素因数の和:2535

約数の個数: 32

約数和(自身を含む): 138762720

約数和(自身を除く): 77191400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 1493, 2062, 2986, 4124, 5155, 5972, 7465, 8248, 10310, 11944, 14930, 20620, 29860, 41240, 59720, 1539283, 3078566, 6157132, 7696415, 12314264, 15392830, 30785660, 61571320]

約数ペア:

[(1, 61571320), (2, 30785660), (4, 15392830), (5, 12314264), (8, 7696415), (10, 6157132), (20, 3078566), (40, 1539283), (1031, 59720), (1493, 41240), (2062, 29860), (2986, 20620), (4124, 14930), (5155, 11944), (5972, 10310), (7465, 8248)]