40495120

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2399}}^1$

素因数の和:2623

約数の個数: 40

約数和(自身を含む): 94636800

約数和(自身を除く): 54141680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 2399, 3376, 4220, 4798, 8440, 9596, 11995, 16880, 19192, 23990, 38384, 47980, 95960, 191920, 506189, 1012378, 2024756, 2530945, 4049512, 5061890, 8099024, 10123780, 20247560, 40495120]

約数ペア:

[(1, 40495120), (2, 20247560), (4, 10123780), (5, 8099024), (8, 5061890), (10, 4049512), (16, 2530945), (20, 2024756), (40, 1012378), (80, 506189), (211, 191920), (422, 95960), (844, 47980), (1055, 38384), (1688, 23990), (2110, 19192), (2399, 16880), (3376, 11995), (4220, 9596), (4798, 8440)]