91614820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4679}}^1$

素因数の和:4788

約数の個数: 48

約数和(自身を含む): 212284800

約数和(自身を除く): 120669980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4679, 4895, 9358, 9790, 18716, 19580, 23395, 46790, 51469, 93580, 102938, 205876, 257345, 416431, 514690, 832862, 1029380, 1665724, 2082155, 4164310, 4580741, 8328620, 9161482, 18322964, 22903705, 45807410, 91614820]

約数ペア:

[(1, 91614820), (2, 45807410), (4, 22903705), (5, 18322964), (10, 9161482), (11, 8328620), (20, 4580741), (22, 4164310), (44, 2082155), (55, 1665724), (89, 1029380), (110, 832862), (178, 514690), (220, 416431), (356, 257345), (445, 205876), (890, 102938), (979, 93580), (1780, 51469), (1958, 46790), (3916, 23395), (4679, 19580), (4895, 18716), (9358, 9790)]