51842120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1997}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 129470400

約数和(自身を除く): 77628280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 1997, 2360, 2596, 3245, 3994, 5192, 6490, 7988, 9985, 12980, 15976, 19970, 21967, 25960, 39940, 43934, 79880, 87868, 109835, 117823, 175736, 219670, 235646, 439340, 471292, 589115, 878680, 942584, 1178230, 1296053, 2356460, 2592106, 4712920, 5184212, 6480265, 10368424, 12960530, 25921060, 51842120]

約数ペア:

[(1, 51842120), (2, 25921060), (4, 12960530), (5, 10368424), (8, 6480265), (10, 5184212), (11, 4712920), (20, 2592106), (22, 2356460), (40, 1296053), (44, 1178230), (55, 942584), (59, 878680), (88, 589115), (110, 471292), (118, 439340), (220, 235646), (236, 219670), (295, 175736), (440, 117823), (472, 109835), (590, 87868), (649, 79880), (1180, 43934), (1298, 39940), (1997, 25960), (2360, 21967), (2596, 19970), (3245, 15976), (3994, 12980), (5192, 9985), (6490, 7988)]