2195440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 5499648

約数和(自身を除く): 3304208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2111, 4222, 8444, 10555, 16888, 21110, 27443, 33776, 42220, 54886, 84440, 109772, 137215, 168880, 219544, 274430, 439088, 548860, 1097720, 2195440]

約数ペア:

[(1, 2195440), (2, 1097720), (4, 548860), (5, 439088), (8, 274430), (10, 219544), (13, 168880), (16, 137215), (20, 109772), (26, 84440), (40, 54886), (52, 42220), (65, 33776), (80, 27443), (104, 21110), (130, 16888), (208, 10555), (260, 8444), (520, 4222), (1040, 2111)]