78013520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75013}}^1$

素因数の和:75039

約数の個数: 40

約数和(自身を含む): 195336456

約数和(自身を除く): 117322936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75013, 150026, 300052, 375065, 600104, 750130, 975169, 1200208, 1500260, 1950338, 3000520, 3900676, 4875845, 6001040, 7801352, 9751690, 15602704, 19503380, 39006760, 78013520]

約数ペア:

[(1, 78013520), (2, 39006760), (4, 19503380), (5, 15602704), (8, 9751690), (10, 7801352), (13, 6001040), (16, 4875845), (20, 3900676), (26, 3000520), (40, 1950338), (52, 1500260), (65, 1200208), (80, 975169), (104, 750130), (130, 600104), (208, 375065), (260, 300052), (520, 150026), (1040, 75013)]