31697960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 82598400

約数和(自身を除く): 50900440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1433, 1580, 2212, 2765, 2866, 3160, 4424, 5530, 5732, 7165, 10031, 11060, 11464, 14330, 20062, 22120, 28660, 40124, 50155, 57320, 80248, 100310, 113207, 200620, 226414, 401240, 452828, 566035, 792449, 905656, 1132070, 1584898, 2264140, 3169796, 3962245, 4528280, 6339592, 7924490, 15848980, 31697960]

約数ペア:

[(1, 31697960), (2, 15848980), (4, 7924490), (5, 6339592), (7, 4528280), (8, 3962245), (10, 3169796), (14, 2264140), (20, 1584898), (28, 1132070), (35, 905656), (40, 792449), (56, 566035), (70, 452828), (79, 401240), (140, 226414), (158, 200620), (280, 113207), (316, 100310), (395, 80248), (553, 57320), (632, 50155), (790, 40124), (1106, 28660), (1433, 22120), (1580, 20062), (2212, 14330), (2765, 11464), (2866, 11060), (3160, 10031), (4424, 7165), (5530, 5732)]