78000320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12829}}^1$

素因数の和:12865

約数の個数: 56

約数和(自身を含む): 195529200

約数和(自身を除く): 117528880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 12829, 25658, 51316, 64145, 102632, 128290, 205264, 243751, 256580, 410528, 487502, 513160, 821056, 975004, 1026320, 1218755, 1950008, 2052640, 2437510, 3900016, 4105280, 4875020, 7800032, 9750040, 15600064, 19500080, 39000160, 78000320]

約数ペア:

[(1, 78000320), (2, 39000160), (4, 19500080), (5, 15600064), (8, 9750040), (10, 7800032), (16, 4875020), (19, 4105280), (20, 3900016), (32, 2437510), (38, 2052640), (40, 1950008), (64, 1218755), (76, 1026320), (80, 975004), (95, 821056), (152, 513160), (160, 487502), (190, 410528), (304, 256580), (320, 243751), (380, 205264), (608, 128290), (760, 102632), (1216, 64145), (1520, 51316), (3040, 25658), (6080, 12829)]