39780260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153001}}^1$

素因数の和:153023

約数の個数: 24

約数和(自身を含む): 89965176

約数和(自身を除く): 50184916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153001, 306002, 612004, 765005, 1530010, 1989013, 3060020, 3978026, 7956052, 9945065, 19890130, 39780260]

約数ペア:

[(1, 39780260), (2, 19890130), (4, 9945065), (5, 7956052), (10, 3978026), (13, 3060020), (20, 1989013), (26, 1530010), (52, 765005), (65, 612004), (130, 306002), (260, 153001)]