78252640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25741}}^1$

素因数の和:25775

約数の個数: 48

約数和(自身を含む): 194609520

約数和(自身を除く): 116356880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 25741, 51482, 102964, 128705, 205928, 257410, 411856, 489079, 514820, 823712, 978158, 1029640, 1956316, 2059280, 2445395, 3912632, 4118560, 4890790, 7825264, 9781580, 15650528, 19563160, 39126320, 78252640]

約数ペア:

[(1, 78252640), (2, 39126320), (4, 19563160), (5, 15650528), (8, 9781580), (10, 7825264), (16, 4890790), (19, 4118560), (20, 3912632), (32, 2445395), (38, 2059280), (40, 1956316), (76, 1029640), (80, 978158), (95, 823712), (152, 514820), (160, 489079), (190, 411856), (304, 257410), (380, 205928), (608, 128705), (760, 102964), (1520, 51482), (3040, 25741)]