2221882103680

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43945453}}^1$

素因数の和:43945551

約数の個数: 64

約数和(自身を含む): 5378923569600

約数和(自身を除く): 3157041465920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2528, 3160, 5056, 6320, 10112, 12640, 25280, 50560, 43945453, 87890906, 175781812, 219727265, 351563624, 439454530, 703127248, 878909060, 1406254496, 1757818120, 2812508992, 3471690787, 3515636240, 5625017984, 6943381574, 7031272480, 13886763148, 14062544960, 17358453935, 27773526296, 28125089920, 34716907870, 55547052592, 69433815740, 111094105184, 138867631480, 222188210368, 277735262960, 444376420736, 555470525920, 1110941051840, 2221882103680]

約数ペア:

[(1, 2221882103680), (2, 1110941051840), (4, 555470525920), (5, 444376420736), (8, 277735262960), (10, 222188210368), (16, 138867631480), (20, 111094105184), (32, 69433815740), (40, 55547052592), (64, 34716907870), (79, 28125089920), (80, 27773526296), (128, 17358453935), (158, 14062544960), (160, 13886763148), (316, 7031272480), (320, 6943381574), (395, 5625017984), (632, 3515636240), (640, 3471690787), (790, 2812508992), (1264, 1757818120), (1580, 1406254496), (2528, 878909060), (3160, 703127248), (5056, 439454530), (6320, 351563624), (10112, 219727265), (12640, 175781812), (25280, 87890906), (50560, 43945453)]