80069780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2393}}^1$

素因数の和:2648

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 112982380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 2393, 3346, 4780, 4786, 6692, 8365, 9572, 11965, 16730, 16751, 23930, 33460, 33502, 47860, 67004, 83755, 167510, 335020, 571927, 1143854, 2287708, 2859635, 4003489, 5719270, 8006978, 11438540, 16013956, 20017445, 40034890, 80069780]

約数ペア:

[(1, 80069780), (2, 40034890), (4, 20017445), (5, 16013956), (7, 11438540), (10, 8006978), (14, 5719270), (20, 4003489), (28, 2859635), (35, 2287708), (70, 1143854), (140, 571927), (239, 335020), (478, 167510), (956, 83755), (1195, 67004), (1673, 47860), (2390, 33502), (2393, 33460), (3346, 23930), (4780, 16751), (4786, 16730), (6692, 11965), (8365, 9572)]