159650000

素因数分解:

$2^4\times 5^5\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 402974208

約数和(自身を除く): 243324208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 103, 124, 125, 155, 200, 206, 248, 250, 310, 400, 412, 496, 500, 515, 620, 625, 775, 824, 1000, 1030, 1240, 1250, 1550, 1648, 2000, 2060, 2480, 2500, 2575, 3100, 3125, 3193, 3875, 4120, 5000, 5150, 6200, 6250, 6386, 7750, 8240, 10000, 10300, 12400, 12500, 12772, 12875, 15500, 15965, 19375, 20600, 25000, 25544, 25750, 31000, 31930, 38750, 41200, 50000, 51088, 51500, 62000, 63860, 64375, 77500, 79825, 96875, 103000, 127720, 128750, 155000, 159650, 193750, 206000, 255440, 257500, 310000, 319300, 321875, 387500, 399125, 515000, 638600, 643750, 775000, 798250, 1030000, 1277200, 1287500, 1550000, 1596500, 1995625, 2575000, 3193000, 3991250, 5150000, 6386000, 7982500, 9978125, 15965000, 19956250, 31930000, 39912500, 79825000, 159650000]

約数ペア:

[(1, 159650000), (2, 79825000), (4, 39912500), (5, 31930000), (8, 19956250), (10, 15965000), (16, 9978125), (20, 7982500), (25, 6386000), (31, 5150000), (40, 3991250), (50, 3193000), (62, 2575000), (80, 1995625), (100, 1596500), (103, 1550000), (124, 1287500), (125, 1277200), (155, 1030000), (200, 798250), (206, 775000), (248, 643750), (250, 638600), (310, 515000), (400, 399125), (412, 387500), (496, 321875), (500, 319300), (515, 310000), (620, 257500), (625, 255440), (775, 206000), (824, 193750), (1000, 159650), (1030, 155000), (1240, 128750), (1250, 127720), (1550, 103000), (1648, 96875), (2000, 79825), (2060, 77500), (2480, 64375), (2500, 63860), (2575, 62000), (3100, 51500), (3125, 51088), (3193, 50000), (3875, 41200), (4120, 38750), (5000, 31930), (5150, 31000), (6200, 25750), (6250, 25544), (6386, 25000), (7750, 20600), (8240, 19375), (10000, 15965), (10300, 15500), (12400, 12875), (12500, 12772)]