40257828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{509}}^1$

素因数の和:558

約数の個数: 72

約数和(自身を含む): 110455800

約数和(自身を除く): 70197972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 509, 676, 1014, 1018, 1521, 1527, 2028, 2036, 2197, 3042, 3054, 4394, 4581, 6084, 6108, 6591, 6617, 8788, 9162, 13182, 13234, 18324, 19773, 19851, 26364, 26468, 39546, 39702, 59553, 79092, 79404, 86021, 119106, 172042, 238212, 258063, 344084, 516126, 774189, 1032252, 1118273, 1548378, 2236546, 3096756, 3354819, 4473092, 6709638, 10064457, 13419276, 20128914, 40257828]

約数ペア:

[(1, 40257828), (2, 20128914), (3, 13419276), (4, 10064457), (6, 6709638), (9, 4473092), (12, 3354819), (13, 3096756), (18, 2236546), (26, 1548378), (36, 1118273), (39, 1032252), (52, 774189), (78, 516126), (117, 344084), (156, 258063), (169, 238212), (234, 172042), (338, 119106), (468, 86021), (507, 79404), (509, 79092), (676, 59553), (1014, 39702), (1018, 39546), (1521, 26468), (1527, 26364), (2028, 19851), (2036, 19773), (2197, 18324), (3042, 13234), (3054, 13182), (4394, 9162), (4581, 8788), (6084, 6617), (6108, 6591)]