79508180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128239}}^1$

素因数の和:128279

約数の個数: 24

約数和(自身を含む): 172354560

約数和(自身を除く): 92846380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128239, 256478, 512956, 641195, 1282390, 2564780, 3975409, 7950818, 15901636, 19877045, 39754090, 79508180]

約数ペア:

[(1, 79508180), (2, 39754090), (4, 19877045), (5, 15901636), (10, 7950818), (20, 3975409), (31, 2564780), (62, 1282390), (124, 641195), (155, 512956), (310, 256478), (620, 128239)]