181747880

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{5701}}^1$

素因数の和:6509

約数の個数: 32

約数和(自身を含む): 409517640

約数和(自身を除く): 227769760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 5701, 6376, 7970, 11402, 15940, 22804, 28505, 31880, 45608, 57010, 114020, 228040, 4543697, 9087394, 18174788, 22718485, 36349576, 45436970, 90873940, 181747880]

約数ペア:

[(1, 181747880), (2, 90873940), (4, 45436970), (5, 36349576), (8, 22718485), (10, 18174788), (20, 9087394), (40, 4543697), (797, 228040), (1594, 114020), (3188, 57010), (3985, 45608), (5701, 31880), (6376, 28505), (7970, 22804), (11402, 15940)]