80908600

素因数分解:

$2^3\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1019}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 188771400

約数和(自身を除く): 107862800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 397, 794, 1019, 1588, 1985, 2038, 3176, 3970, 4076, 5095, 7940, 8152, 9925, 10190, 15880, 19850, 20380, 25475, 39700, 40760, 50950, 79400, 101900, 203800, 404543, 809086, 1618172, 2022715, 3236344, 4045430, 8090860, 10113575, 16181720, 20227150, 40454300, 80908600]

約数ペア:

[(1, 80908600), (2, 40454300), (4, 20227150), (5, 16181720), (8, 10113575), (10, 8090860), (20, 4045430), (25, 3236344), (40, 2022715), (50, 1618172), (100, 809086), (200, 404543), (397, 203800), (794, 101900), (1019, 79400), (1588, 50950), (1985, 40760), (2038, 39700), (3176, 25475), (3970, 20380), (4076, 19850), (5095, 15880), (7940, 10190), (8152, 9925)]