1020347920

素因数分解:

$2^4\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{8963}}^1$

素因数の和:10399

約数の個数: 40

約数和(自身を含む): 2374240896

約数和(自身を除く): 1353892976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1423, 2846, 5692, 7115, 8963, 11384, 14230, 17926, 22768, 28460, 35852, 44815, 56920, 71704, 89630, 113840, 143408, 179260, 358520, 717040, 12754349, 25508698, 51017396, 63771745, 102034792, 127543490, 204069584, 255086980, 510173960, 1020347920]

約数ペア:

[(1, 1020347920), (2, 510173960), (4, 255086980), (5, 204069584), (8, 127543490), (10, 102034792), (16, 63771745), (20, 51017396), (40, 25508698), (80, 12754349), (1423, 717040), (2846, 358520), (5692, 179260), (7115, 143408), (8963, 113840), (11384, 89630), (14230, 71704), (17926, 56920), (22768, 44815), (28460, 35852)]