2620880

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^2$

素因数の和:375

約数の個数: 30

約数和(自身を含む): 6127398

約数和(自身を除く): 3506518

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 32761, 65522, 131044, 163805, 262088, 327610, 524176, 655220, 1310440, 2620880]

約数ペア:

[(1, 2620880), (2, 1310440), (4, 655220), (5, 524176), (8, 327610), (10, 262088), (16, 163805), (20, 131044), (40, 65522), (80, 32761), (181, 14480), (362, 7240), (724, 3620), (905, 2896), (1448, 1810)]