25329400

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 59594400

約数和(自身を除く): 34265000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1423, 1780, 2225, 2846, 3560, 4450, 5692, 7115, 8900, 11384, 14230, 17800, 28460, 35575, 56920, 71150, 126647, 142300, 253294, 284600, 506588, 633235, 1013176, 1266470, 2532940, 3166175, 5065880, 6332350, 12664700, 25329400]

約数ペア:

[(1, 25329400), (2, 12664700), (4, 6332350), (5, 5065880), (8, 3166175), (10, 2532940), (20, 1266470), (25, 1013176), (40, 633235), (50, 506588), (89, 284600), (100, 253294), (178, 142300), (200, 126647), (356, 71150), (445, 56920), (712, 35575), (890, 28460), (1423, 17800), (1780, 14230), (2225, 11384), (2846, 8900), (3560, 7115), (4450, 5692)]