148720520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{286001}}^1$

素因数の和:286025

約数の個数: 32

約数和(自身を含む): 360362520

約数和(自身を除く): 211642000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 286001, 572002, 1144004, 1430005, 2288008, 2860010, 3718013, 5720020, 7436026, 11440040, 14872052, 18590065, 29744104, 37180130, 74360260, 148720520]

約数ペア:

[(1, 148720520), (2, 74360260), (4, 37180130), (5, 29744104), (8, 18590065), (10, 14872052), (13, 11440040), (20, 7436026), (26, 5720020), (40, 3718013), (52, 2860010), (65, 2288008), (104, 1430005), (130, 1144004), (260, 572002), (520, 286001)]