81267650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1523

約数の個数: 48

約数和(自身を含む): 162552096

約数和(自身を除く): 81284446

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 67, 85, 134, 170, 335, 425, 670, 850, 1139, 1427, 1675, 2278, 2854, 3350, 5695, 7135, 11390, 14270, 24259, 28475, 35675, 48518, 56950, 71350, 95609, 121295, 191218, 242590, 478045, 606475, 956090, 1212950, 1625353, 2390225, 3250706, 4780450, 8126765, 16253530, 40633825, 81267650]

約数ペア:

[(1, 81267650), (2, 40633825), (5, 16253530), (10, 8126765), (17, 4780450), (25, 3250706), (34, 2390225), (50, 1625353), (67, 1212950), (85, 956090), (134, 606475), (170, 478045), (335, 242590), (425, 191218), (670, 121295), (850, 95609), (1139, 71350), (1427, 56950), (1675, 48518), (2278, 35675), (2854, 28475), (3350, 24259), (5695, 14270), (7135, 11390)]