13309400680

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{541}}^1\times {\mathrm{1427}}^1$

素因数の和:2410

約数の個数: 64

約数和(自身を含む): 30092186880

約数和(自身を除く): 16782786200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 541, 862, 1082, 1427, 1724, 2155, 2164, 2705, 2854, 3448, 4310, 4328, 5410, 5708, 7135, 8620, 10820, 11416, 14270, 17240, 21640, 28540, 57080, 233171, 466342, 615037, 772007, 932684, 1165855, 1230074, 1544014, 1865368, 2331710, 2460148, 3075185, 3088028, 3860035, 4663420, 4920296, 6150370, 6176056, 7720070, 9326840, 12300740, 15440140, 24601480, 30880280, 332735017, 665470034, 1330940068, 1663675085, 2661880136, 3327350170, 6654700340, 13309400680]

約数ペア:

[(1, 13309400680), (2, 6654700340), (4, 3327350170), (5, 2661880136), (8, 1663675085), (10, 1330940068), (20, 665470034), (40, 332735017), (431, 30880280), (541, 24601480), (862, 15440140), (1082, 12300740), (1427, 9326840), (1724, 7720070), (2155, 6176056), (2164, 6150370), (2705, 4920296), (2854, 4663420), (3448, 3860035), (4310, 3088028), (4328, 3075185), (5410, 2460148), (5708, 2331710), (7135, 1865368), (8620, 1544014), (10820, 1230074), (11416, 1165855), (14270, 932684), (17240, 772007), (21640, 615037), (28540, 466342), (57080, 233171)]