142335440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136861}}^1$

素因数の和:136887

約数の個数: 40

約数和(自身を含む): 356388648

約数和(自身を除く): 214053208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 136861, 273722, 547444, 684305, 1094888, 1368610, 1779193, 2189776, 2737220, 3558386, 5474440, 7116772, 8895965, 10948880, 14233544, 17791930, 28467088, 35583860, 71167720, 142335440]

約数ペア:

[(1, 142335440), (2, 71167720), (4, 35583860), (5, 28467088), (8, 17791930), (10, 14233544), (13, 10948880), (16, 8895965), (20, 7116772), (26, 5474440), (40, 3558386), (52, 2737220), (65, 2189776), (80, 1779193), (104, 1368610), (130, 1094888), (208, 684305), (260, 547444), (520, 273722), (1040, 136861)]