25328380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16447}}^1$

素因数の和:16474

約数の個数: 48

約数和(自身を含む): 66318336

約数和(自身を除く): 40989956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16447, 32894, 65788, 82235, 115129, 164470, 180917, 230258, 328940, 361834, 460516, 575645, 723668, 904585, 1151290, 1266419, 1809170, 2302580, 2532838, 3618340, 5065676, 6332095, 12664190, 25328380]

約数ペア:

[(1, 25328380), (2, 12664190), (4, 6332095), (5, 5065676), (7, 3618340), (10, 2532838), (11, 2302580), (14, 1809170), (20, 1266419), (22, 1151290), (28, 904585), (35, 723668), (44, 575645), (55, 460516), (70, 361834), (77, 328940), (110, 230258), (140, 180917), (154, 164470), (220, 115129), (308, 82235), (385, 65788), (770, 32894), (1540, 16447)]