1738352720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1671493}}^1$

素因数の和:1671519

約数の個数: 40

約数和(自身を含む): 4352570376

約数和(自身を除く): 2614217656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1671493, 3342986, 6685972, 8357465, 13371944, 16714930, 21729409, 26743888, 33429860, 43458818, 66859720, 86917636, 108647045, 133719440, 173835272, 217294090, 347670544, 434588180, 869176360, 1738352720]

約数ペア:

[(1, 1738352720), (2, 869176360), (4, 434588180), (5, 347670544), (8, 217294090), (10, 173835272), (13, 133719440), (16, 108647045), (20, 86917636), (26, 66859720), (40, 43458818), (52, 33429860), (65, 26743888), (80, 21729409), (104, 16714930), (130, 13371944), (208, 8357465), (260, 6685972), (520, 3342986), (1040, 1671493)]