201978160

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{5623}}^1$

素因数の和:6085

約数の個数: 40

約数和(自身を含む): 470728800

約数和(自身を除く): 268750640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 3592, 4490, 5623, 7184, 8980, 11246, 17960, 22492, 28115, 35920, 44984, 56230, 89968, 112460, 224920, 449840, 2524727, 5049454, 10098908, 12623635, 20197816, 25247270, 40395632, 50494540, 100989080, 201978160]

約数ペア:

[(1, 201978160), (2, 100989080), (4, 50494540), (5, 40395632), (8, 25247270), (10, 20197816), (16, 12623635), (20, 10098908), (40, 5049454), (80, 2524727), (449, 449840), (898, 224920), (1796, 112460), (2245, 89968), (3592, 56230), (4490, 44984), (5623, 35920), (7184, 28115), (8980, 22492), (11246, 17960)]