28509440

素因数分解:

$2^8\times 5^1\times {\mathrm{22273}}^1$

素因数の和:22294

約数の個数: 36

約数和(自身を含む): 68292084

約数和(自身を除く): 39782644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22273, 44546, 89092, 111365, 178184, 222730, 356368, 445460, 712736, 890920, 1425472, 1781840, 2850944, 3563680, 5701888, 7127360, 14254720, 28509440]

約数ペア:

[(1, 28509440), (2, 14254720), (4, 7127360), (5, 5701888), (8, 3563680), (10, 2850944), (16, 1781840), (20, 1425472), (32, 890920), (40, 712736), (64, 445460), (80, 356368), (128, 222730), (160, 178184), (256, 111365), (320, 89092), (640, 44546), (1280, 22273)]