139816120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{65951}}^1$

素因数の和:66015

約数の個数: 32

約数和(自身を含む): 320526720

約数和(自身を除く): 180710600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 65951, 131902, 263804, 329755, 527608, 659510, 1319020, 2638040, 3495403, 6990806, 13981612, 17477015, 27963224, 34954030, 69908060, 139816120]

約数ペア:

[(1, 139816120), (2, 69908060), (4, 34954030), (5, 27963224), (8, 17477015), (10, 13981612), (20, 6990806), (40, 3495403), (53, 2638040), (106, 1319020), (212, 659510), (265, 527608), (424, 329755), (530, 263804), (1060, 131902), (2120, 65951)]