259620010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{42491}}^1$

素因数の和:42558

約数の個数: 32

約数和(自身を含む): 513983232

約数和(自身を除く): 254363222

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 42491, 84982, 212455, 424910, 552383, 1104766, 1997077, 2761915, 3994154, 5523830, 9985385, 19970770, 25962001, 51924002, 129810005, 259620010]

約数ペア:

[(1, 259620010), (2, 129810005), (5, 51924002), (10, 25962001), (13, 19970770), (26, 9985385), (47, 5523830), (65, 3994154), (94, 2761915), (130, 1997077), (235, 1104766), (470, 552383), (611, 424910), (1222, 212455), (3055, 84982), (6110, 42491)]