1348880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 3379992

約数和(自身を除く): 2031112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1297, 2594, 5188, 6485, 10376, 12970, 16861, 20752, 25940, 33722, 51880, 67444, 84305, 103760, 134888, 168610, 269776, 337220, 674440, 1348880]

約数ペア:

[(1, 1348880), (2, 674440), (4, 337220), (5, 269776), (8, 168610), (10, 134888), (13, 103760), (16, 84305), (20, 67444), (26, 51880), (40, 33722), (52, 25940), (65, 20752), (80, 16861), (104, 12970), (130, 10376), (208, 6485), (260, 5188), (520, 2594), (1040, 1297)]