49278620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31189}}^1$

素因数の和:31277

約数の個数: 24

約数和(自身を含む): 104798400

約数和(自身を除く): 55519780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 31189, 62378, 124756, 155945, 311890, 623780, 2463931, 4927862, 9855724, 12319655, 24639310, 49278620]

約数ペア:

[(1, 49278620), (2, 24639310), (4, 12319655), (5, 9855724), (10, 4927862), (20, 2463931), (79, 623780), (158, 311890), (316, 155945), (395, 124756), (790, 62378), (1580, 31189)]