1387690160

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{168409}}^1$

素因数の和:168525

約数の個数: 40

約数和(自身を含む): 3257723040

約数和(自身を除く): 1870032880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 168409, 336818, 673636, 842045, 1347272, 1684090, 2694544, 3368180, 6736360, 13472720, 17346127, 34692254, 69384508, 86730635, 138769016, 173461270, 277538032, 346922540, 693845080, 1387690160]

約数ペア:

[(1, 1387690160), (2, 693845080), (4, 346922540), (5, 277538032), (8, 173461270), (10, 138769016), (16, 86730635), (20, 69384508), (40, 34692254), (80, 17346127), (103, 13472720), (206, 6736360), (412, 3368180), (515, 2694544), (824, 1684090), (1030, 1347272), (1648, 842045), (2060, 673636), (4120, 336818), (8240, 168409)]