85209680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 212188800

約数和(自身を除く): 126979120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 919, 976, 1159, 1220, 1520, 1838, 2318, 2440, 3676, 4595, 4636, 4880, 5795, 7352, 9190, 9272, 11590, 14704, 17461, 18380, 18544, 23180, 34922, 36760, 46360, 56059, 69844, 73520, 87305, 92720, 112118, 139688, 174610, 224236, 279376, 280295, 349220, 448472, 560590, 698440, 896944, 1065121, 1121180, 1396880, 2130242, 2242360, 4260484, 4484720, 5325605, 8520968, 10651210, 17041936, 21302420, 42604840, 85209680]

約数ペア:

[(1, 85209680), (2, 42604840), (4, 21302420), (5, 17041936), (8, 10651210), (10, 8520968), (16, 5325605), (19, 4484720), (20, 4260484), (38, 2242360), (40, 2130242), (61, 1396880), (76, 1121180), (80, 1065121), (95, 896944), (122, 698440), (152, 560590), (190, 448472), (244, 349220), (304, 280295), (305, 279376), (380, 224236), (488, 174610), (610, 139688), (760, 112118), (919, 92720), (976, 87305), (1159, 73520), (1220, 69844), (1520, 56059), (1838, 46360), (2318, 36760), (2440, 34922), (3676, 23180), (4595, 18544), (4636, 18380), (4880, 17461), (5795, 14704), (7352, 11590), (9190, 9272)]