1949440

素因数分解:

$2^8\times 5^1\times {\mathrm{1523}}^1$

素因数の和:1544

約数の個数: 36

約数和(自身を含む): 4672584

約数和(自身を除く): 2723144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1523, 3046, 6092, 7615, 12184, 15230, 24368, 30460, 48736, 60920, 97472, 121840, 194944, 243680, 389888, 487360, 974720, 1949440]

約数ペア:

[(1, 1949440), (2, 974720), (4, 487360), (5, 389888), (8, 243680), (10, 194944), (16, 121840), (20, 97472), (32, 60920), (40, 48736), (64, 30460), (80, 24368), (128, 15230), (160, 12184), (256, 7615), (320, 6092), (640, 3046), (1280, 1523)]