42604840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 102672000

約数和(自身を除く): 60067160

約数列:

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

約数ペア:

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