28004570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11069}}^1$

素因数の和:11110

約数の個数: 32

約数和(自身を含む): 57386880

約数和(自身を除く): 29382310

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 11069, 22138, 55345, 110690, 121759, 243518, 254587, 509174, 608795, 1217590, 1272935, 2545870, 2800457, 5600914, 14002285, 28004570]

約数ペア:

[(1, 28004570), (2, 14002285), (5, 5600914), (10, 2800457), (11, 2545870), (22, 1272935), (23, 1217590), (46, 608795), (55, 509174), (110, 254587), (115, 243518), (230, 121759), (253, 110690), (506, 55345), (1265, 22138), (2530, 11069)]