28658920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31151}}^1$

素因数の和:31185

約数の個数: 32

約数和(自身を含む): 67288320

約数和(自身を除く): 38629400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31151, 62302, 124604, 155755, 249208, 311510, 623020, 716473, 1246040, 1432946, 2865892, 3582365, 5731784, 7164730, 14329460, 28658920]

約数ペア:

[(1, 28658920), (2, 14329460), (4, 7164730), (5, 5731784), (8, 3582365), (10, 2865892), (20, 1432946), (23, 1246040), (40, 716473), (46, 623020), (92, 311510), (115, 249208), (184, 155755), (230, 124604), (460, 62302), (920, 31151)]