31930000

素因数分解:

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

素因数の和:162

約数の個数: 100

約数和(自身を含む): 80574208

約数和(自身を除く): 48644208

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, 3193, 3875, 4120, 5000, 5150, 6200, 6386, 7750, 8240, 10000, 10300, 12400, 12772, 12875, 15500, 15965, 19375, 20600, 25544, 25750, 31000, 31930, 38750, 41200, 51088, 51500, 62000, 63860, 64375, 77500, 79825, 103000, 127720, 128750, 155000, 159650, 206000, 255440, 257500, 310000, 319300, 399125, 515000, 638600, 798250, 1030000, 1277200, 1596500, 1995625, 3193000, 3991250, 6386000, 7982500, 15965000, 31930000]

約数ペア:

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