1681949440

素因数分解:

$2^8\times 5^1\times {\mathrm{1314023}}^1$

素因数の和:1314044

約数の個数: 36

約数和(自身を含む): 4028797584

約数和(自身を除く): 2346848144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1314023, 2628046, 5256092, 6570115, 10512184, 13140230, 21024368, 26280460, 42048736, 52560920, 84097472, 105121840, 168194944, 210243680, 336389888, 420487360, 840974720, 1681949440]

約数ペア:

[(1, 1681949440), (2, 840974720), (4, 420487360), (5, 336389888), (8, 210243680), (10, 168194944), (16, 105121840), (20, 84097472), (32, 52560920), (40, 42048736), (64, 26280460), (80, 21024368), (128, 13140230), (160, 10512184), (256, 6570115), (320, 5256092), (640, 2628046), (1280, 1314023)]