66785380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 148599360

約数和(自身を除く): 81813980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 971, 1810, 1942, 3439, 3620, 3884, 4855, 6878, 9710, 13756, 17195, 18449, 19420, 34390, 36898, 68780, 73796, 92245, 175751, 184490, 351502, 368980, 703004, 878755, 1757510, 3339269, 3515020, 6678538, 13357076, 16696345, 33392690, 66785380]

約数ペア:

[(1, 66785380), (2, 33392690), (4, 16696345), (5, 13357076), (10, 6678538), (19, 3515020), (20, 3339269), (38, 1757510), (76, 878755), (95, 703004), (181, 368980), (190, 351502), (362, 184490), (380, 175751), (724, 92245), (905, 73796), (971, 68780), (1810, 36898), (1942, 34390), (3439, 19420), (3620, 18449), (3884, 17195), (4855, 13756), (6878, 9710)]