8820982420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1\times {\mathrm{4027}}^1$

素因数の和:7600

約数の個数: 48

約数和(自身を含む): 19131775488

約数和(自身を除く): 10310793068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3533, 4027, 7066, 8054, 14132, 16108, 17665, 20135, 35330, 40270, 70660, 80540, 109523, 124837, 219046, 249674, 438092, 499348, 547615, 624185, 1095230, 1248370, 2190460, 2496740, 14227391, 28454782, 56909564, 71136955, 142273910, 284547820, 441049121, 882098242, 1764196484, 2205245605, 4410491210, 8820982420]

約数ペア:

[(1, 8820982420), (2, 4410491210), (4, 2205245605), (5, 1764196484), (10, 882098242), (20, 441049121), (31, 284547820), (62, 142273910), (124, 71136955), (155, 56909564), (310, 28454782), (620, 14227391), (3533, 2496740), (4027, 2190460), (7066, 1248370), (8054, 1095230), (14132, 624185), (16108, 547615), (17665, 499348), (20135, 438092), (35330, 249674), (40270, 219046), (70660, 124837), (80540, 109523)]