4217980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16223}}^1$

素因数の和:16245

約数の個数: 24

約数和(自身を含む): 9539712

約数和(自身を除く): 5321732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 16223, 32446, 64892, 81115, 162230, 210899, 324460, 421798, 843596, 1054495, 2108990, 4217980]

約数ペア:

[(1, 4217980), (2, 2108990), (4, 1054495), (5, 843596), (10, 421798), (13, 324460), (20, 210899), (26, 162230), (52, 81115), (65, 64892), (130, 32446), (260, 16223)]