25446880

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1891

約数の個数: 48

約数和(自身を含む): 60827760

約数和(自身を除く): 35380880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 1787, 2848, 3560, 3574, 7120, 7148, 8935, 14240, 14296, 17870, 28592, 35740, 57184, 71480, 142960, 159043, 285920, 318086, 636172, 795215, 1272344, 1590430, 2544688, 3180860, 5089376, 6361720, 12723440, 25446880]

約数ペア:

[(1, 25446880), (2, 12723440), (4, 6361720), (5, 5089376), (8, 3180860), (10, 2544688), (16, 1590430), (20, 1272344), (32, 795215), (40, 636172), (80, 318086), (89, 285920), (160, 159043), (178, 142960), (356, 71480), (445, 57184), (712, 35740), (890, 28592), (1424, 17870), (1780, 14296), (1787, 14240), (2848, 8935), (3560, 7148), (3574, 7120)]