13330000

素因数分解:

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

素因数の和:102

約数の個数: 100

約数和(自身を含む): 34089088

約数和(自身を除く): 20759088

約数列:

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

約数ペア:

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