61672040

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2383}}^1$

素因数の和:3041

約数の個数: 32

約数和(自身を含む): 139034880

約数和(自身を除く): 77362840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2383, 2588, 3235, 4766, 5176, 6470, 9532, 11915, 12940, 19064, 23830, 25880, 47660, 95320, 1541801, 3083602, 6167204, 7709005, 12334408, 15418010, 30836020, 61672040]

約数ペア:

[(1, 61672040), (2, 30836020), (4, 15418010), (5, 12334408), (8, 7709005), (10, 6167204), (20, 3083602), (40, 1541801), (647, 95320), (1294, 47660), (2383, 25880), (2588, 23830), (3235, 19064), (4766, 12940), (5176, 11915), (6470, 9532)]