25641800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4421}}^1$

素因数の和:4466

約数の個数: 48

約数和(自身を含む): 61686900

約数和(自身を除く): 36045100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 4421, 5800, 8842, 17684, 22105, 35368, 44210, 88420, 110525, 128209, 176840, 221050, 256418, 442100, 512836, 641045, 884200, 1025672, 1282090, 2564180, 3205225, 5128360, 6410450, 12820900, 25641800]

約数ペア:

[(1, 25641800), (2, 12820900), (4, 6410450), (5, 5128360), (8, 3205225), (10, 2564180), (20, 1282090), (25, 1025672), (29, 884200), (40, 641045), (50, 512836), (58, 442100), (100, 256418), (116, 221050), (145, 176840), (200, 128209), (232, 110525), (290, 88420), (580, 44210), (725, 35368), (1160, 22105), (1450, 17684), (2900, 8842), (4421, 5800)]