8323621840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{21817}}^1$

素因数の和:22100

約数の個数: 80

約数和(自身を含む): 20453065920

約数和(自身を除く): 12129444080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 251, 304, 380, 502, 760, 1004, 1255, 1520, 2008, 2510, 4016, 4769, 5020, 9538, 10040, 19076, 20080, 21817, 23845, 38152, 43634, 47690, 76304, 87268, 95380, 109085, 174536, 190760, 218170, 349072, 381520, 414523, 436340, 829046, 872680, 1658092, 1745360, 2072615, 3316184, 4145230, 5476067, 6632368, 8290460, 10952134, 16580920, 21904268, 27380335, 33161840, 43808536, 54760670, 87617072, 104045273, 109521340, 208090546, 219042680, 416181092, 438085360, 520226365, 832362184, 1040452730, 1664724368, 2080905460, 4161810920, 8323621840]

約数ペア:

[(1, 8323621840), (2, 4161810920), (4, 2080905460), (5, 1664724368), (8, 1040452730), (10, 832362184), (16, 520226365), (19, 438085360), (20, 416181092), (38, 219042680), (40, 208090546), (76, 109521340), (80, 104045273), (95, 87617072), (152, 54760670), (190, 43808536), (251, 33161840), (304, 27380335), (380, 21904268), (502, 16580920), (760, 10952134), (1004, 8290460), (1255, 6632368), (1520, 5476067), (2008, 4145230), (2510, 3316184), (4016, 2072615), (4769, 1745360), (5020, 1658092), (9538, 872680), (10040, 829046), (19076, 436340), (20080, 414523), (21817, 381520), (23845, 349072), (38152, 218170), (43634, 190760), (47690, 174536), (76304, 109085), (87268, 95380)]