27380860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 63122976

約数和(自身を除く): 35742116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 1987, 2756, 3445, 3974, 6890, 7948, 9935, 13780, 19870, 25831, 39740, 51662, 103324, 105311, 129155, 210622, 258310, 421244, 516620, 526555, 1053110, 1369043, 2106220, 2738086, 5476172, 6845215, 13690430, 27380860]

約数ペア:

[(1, 27380860), (2, 13690430), (4, 6845215), (5, 5476172), (10, 2738086), (13, 2106220), (20, 1369043), (26, 1053110), (52, 526555), (53, 516620), (65, 421244), (106, 258310), (130, 210622), (212, 129155), (260, 105311), (265, 103324), (530, 51662), (689, 39740), (1060, 25831), (1378, 19870), (1987, 13780), (2756, 9935), (3445, 7948), (3974, 6890)]