91317320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73643}}^1$

素因数の和:73685

約数の個数: 32

約数和(自身を含む): 212094720

約数和(自身を除く): 120777400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73643, 147286, 294572, 368215, 589144, 736430, 1472860, 2282933, 2945720, 4565866, 9131732, 11414665, 18263464, 22829330, 45658660, 91317320]

約数ペア:

[(1, 91317320), (2, 45658660), (4, 22829330), (5, 18263464), (8, 11414665), (10, 9131732), (20, 4565866), (31, 2945720), (40, 2282933), (62, 1472860), (124, 736430), (155, 589144), (248, 368215), (310, 294572), (620, 147286), (1240, 73643)]