5521780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 13325760

約数和(自身を除く): 7803980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1321, 2090, 2642, 4180, 5284, 6605, 13210, 14531, 25099, 26420, 29062, 50198, 58124, 72655, 100396, 125495, 145310, 250990, 276089, 290620, 501980, 552178, 1104356, 1380445, 2760890, 5521780]

約数ペア:

[(1, 5521780), (2, 2760890), (4, 1380445), (5, 1104356), (10, 552178), (11, 501980), (19, 290620), (20, 276089), (22, 250990), (38, 145310), (44, 125495), (55, 100396), (76, 72655), (95, 58124), (110, 50198), (190, 29062), (209, 26420), (220, 25099), (380, 14531), (418, 13210), (836, 6605), (1045, 5284), (1321, 4180), (2090, 2642)]