25030360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^2$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 57679200

約数和(自身を除く): 32648840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 158, 178, 316, 356, 395, 445, 632, 712, 790, 890, 1580, 1780, 3160, 3560, 7031, 7921, 14062, 15842, 28124, 31684, 35155, 39605, 56248, 63368, 70310, 79210, 140620, 158420, 281240, 316840, 625759, 1251518, 2503036, 3128795, 5006072, 6257590, 12515180, 25030360]

約数ペア:

[(1, 25030360), (2, 12515180), (4, 6257590), (5, 5006072), (8, 3128795), (10, 2503036), (20, 1251518), (40, 625759), (79, 316840), (89, 281240), (158, 158420), (178, 140620), (316, 79210), (356, 70310), (395, 63368), (445, 56248), (632, 39605), (712, 35155), (790, 31684), (890, 28124), (1580, 15842), (1780, 14062), (3160, 7921), (3560, 7031)]