8897960

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 20147400

約数和(自身を除く): 11249440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1229, 1448, 1810, 2458, 3620, 4916, 6145, 7240, 9832, 12290, 24580, 49160, 222449, 444898, 889796, 1112245, 1779592, 2224490, 4448980, 8897960]

約数ペア:

[(1, 8897960), (2, 4448980), (4, 2224490), (5, 1779592), (8, 1112245), (10, 889796), (20, 444898), (40, 222449), (181, 49160), (362, 24580), (724, 12290), (905, 9832), (1229, 7240), (1448, 6145), (1810, 4916), (2458, 3620)]