13286320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8741}}^1$

素因数の和:8773

約数の個数: 40

約数和(自身を含む): 32520240

約数和(自身を除く): 19233920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8741, 17482, 34964, 43705, 69928, 87410, 139856, 166079, 174820, 332158, 349640, 664316, 699280, 830395, 1328632, 1660790, 2657264, 3321580, 6643160, 13286320]

約数ペア:

[(1, 13286320), (2, 6643160), (4, 3321580), (5, 2657264), (8, 1660790), (10, 1328632), (16, 830395), (19, 699280), (20, 664316), (38, 349640), (40, 332158), (76, 174820), (80, 166079), (95, 139856), (152, 87410), (190, 69928), (304, 43705), (380, 34964), (760, 17482), (1520, 8741)]