6665000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 80

約数和(自身を含む): 16494720

約数和(自身を除く): 9829720

約数列:

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

約数ペア:

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