8552440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16447}}^1$

素因数の和:16471

約数の個数: 32

約数和(自身を含む): 20724480

約数和(自身を除く): 12172040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16447, 32894, 65788, 82235, 131576, 164470, 213811, 328940, 427622, 657880, 855244, 1069055, 1710488, 2138110, 4276220, 8552440]

約数ペア:

[(1, 8552440), (2, 4276220), (4, 2138110), (5, 1710488), (8, 1069055), (10, 855244), (13, 657880), (20, 427622), (26, 328940), (40, 213811), (52, 164470), (65, 131576), (104, 82235), (130, 65788), (260, 32894), (520, 16447)]