40317316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 83418720

約数和(自身を除く): 43101404

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 73, 76, 86, 146, 169, 172, 247, 292, 338, 494, 559, 676, 817, 949, 988, 1118, 1387, 1634, 1898, 2236, 2774, 3139, 3211, 3268, 3796, 5548, 6278, 6422, 7267, 10621, 12337, 12556, 12844, 14534, 18031, 21242, 24674, 29068, 36062, 40807, 42484, 49348, 59641, 72124, 81614, 119282, 138073, 163228, 234403, 238564, 276146, 468806, 530491, 552292, 775333, 937612, 1060982, 1550666, 2121964, 3101332, 10079329, 20158658, 40317316]

約数ペア:

[(1, 40317316), (2, 20158658), (4, 10079329), (13, 3101332), (19, 2121964), (26, 1550666), (38, 1060982), (43, 937612), (52, 775333), (73, 552292), (76, 530491), (86, 468806), (146, 276146), (169, 238564), (172, 234403), (247, 163228), (292, 138073), (338, 119282), (494, 81614), (559, 72124), (676, 59641), (817, 49348), (949, 42484), (988, 40807), (1118, 36062), (1387, 29068), (1634, 24674), (1898, 21242), (2236, 18031), (2774, 14534), (3139, 12844), (3211, 12556), (3268, 12337), (3796, 10621), (5548, 7267), (6278, 6422)]