28873340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27239}}^1$

素因数の和:27301

約数の個数: 24

約数和(自身を含む): 61780320

約数和(自身を除く): 32906980

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 27239, 54478, 108956, 136195, 272390, 544780, 1443667, 2887334, 5774668, 7218335, 14436670, 28873340]

約数ペア:

[(1, 28873340), (2, 14436670), (4, 7218335), (5, 5774668), (10, 2887334), (20, 1443667), (53, 544780), (106, 272390), (212, 136195), (265, 108956), (530, 54478), (1060, 27239)]