1386996880

素因数分解:

$2^4\times 5^1\times {\mathrm{2671}}^1\times {\mathrm{6491}}^1$

素因数の和:9175

約数の個数: 40

約数和(自身を含む): 3226472064

約数和(自身を除く): 1839475184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2671, 5342, 6491, 10684, 12982, 13355, 21368, 25964, 26710, 32455, 42736, 51928, 53420, 64910, 103856, 106840, 129820, 213680, 259640, 519280, 17337461, 34674922, 69349844, 86687305, 138699688, 173374610, 277399376, 346749220, 693498440, 1386996880]

約数ペア:

[(1, 1386996880), (2, 693498440), (4, 346749220), (5, 277399376), (8, 173374610), (10, 138699688), (16, 86687305), (20, 69349844), (40, 34674922), (80, 17337461), (2671, 519280), (5342, 259640), (6491, 213680), (10684, 129820), (12982, 106840), (13355, 103856), (21368, 64910), (25964, 53420), (26710, 51928), (32455, 42736)]