31763240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 74606400

約数和(自身を除く): 42843160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 295, 313, 344, 430, 472, 590, 626, 860, 1180, 1252, 1565, 1720, 2360, 2504, 2537, 3130, 5074, 6260, 10148, 12520, 12685, 13459, 18467, 20296, 25370, 26918, 36934, 50740, 53836, 67295, 73868, 92335, 101480, 107672, 134590, 147736, 184670, 269180, 369340, 538360, 738680, 794081, 1588162, 3176324, 3970405, 6352648, 7940810, 15881620, 31763240]

約数ペア:

[(1, 31763240), (2, 15881620), (4, 7940810), (5, 6352648), (8, 3970405), (10, 3176324), (20, 1588162), (40, 794081), (43, 738680), (59, 538360), (86, 369340), (118, 269180), (172, 184670), (215, 147736), (236, 134590), (295, 107672), (313, 101480), (344, 92335), (430, 73868), (472, 67295), (590, 53836), (626, 50740), (860, 36934), (1180, 26918), (1252, 25370), (1565, 20296), (1720, 18467), (2360, 13459), (2504, 12685), (2537, 12520), (3130, 10148), (5074, 6260)]