26660000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 120

約数和(自身を含む): 69277824

約数和(自身を除く): 42617824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 43, 50, 62, 80, 86, 100, 124, 125, 155, 160, 172, 200, 215, 248, 250, 310, 344, 400, 430, 496, 500, 620, 625, 688, 775, 800, 860, 992, 1000, 1075, 1240, 1250, 1333, 1376, 1550, 1720, 2000, 2150, 2480, 2500, 2666, 3100, 3440, 3875, 4000, 4300, 4960, 5000, 5332, 5375, 6200, 6665, 6880, 7750, 8600, 10000, 10664, 10750, 12400, 13330, 15500, 17200, 19375, 20000, 21328, 21500, 24800, 26660, 26875, 31000, 33325, 34400, 38750, 42656, 43000, 53320, 53750, 62000, 66650, 77500, 86000, 106640, 107500, 124000, 133300, 155000, 166625, 172000, 213280, 215000, 266600, 310000, 333250, 430000, 533200, 620000, 666500, 833125, 860000, 1066400, 1333000, 1666250, 2666000, 3332500, 5332000, 6665000, 13330000, 26660000]

約数ペア:

[(1, 26660000), (2, 13330000), (4, 6665000), (5, 5332000), (8, 3332500), (10, 2666000), (16, 1666250), (20, 1333000), (25, 1066400), (31, 860000), (32, 833125), (40, 666500), (43, 620000), (50, 533200), (62, 430000), (80, 333250), (86, 310000), (100, 266600), (124, 215000), (125, 213280), (155, 172000), (160, 166625), (172, 155000), (200, 133300), (215, 124000), (248, 107500), (250, 106640), (310, 86000), (344, 77500), (400, 66650), (430, 62000), (496, 53750), (500, 53320), (620, 43000), (625, 42656), (688, 38750), (775, 34400), (800, 33325), (860, 31000), (992, 26875), (1000, 26660), (1075, 24800), (1240, 21500), (1250, 21328), (1333, 20000), (1376, 19375), (1550, 17200), (1720, 15500), (2000, 13330), (2150, 12400), (2480, 10750), (2500, 10664), (2666, 10000), (3100, 8600), (3440, 7750), (3875, 6880), (4000, 6665), (4300, 6200), (4960, 5375), (5000, 5332)]