47131820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2069}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 106414560

約数和(自身を除く): 59282740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2069, 2278, 4138, 4556, 5695, 8276, 10345, 11390, 20690, 22780, 35173, 41380, 70346, 138623, 140692, 175865, 277246, 351730, 554492, 693115, 703460, 1386230, 2356591, 2772460, 4713182, 9426364, 11782955, 23565910, 47131820]

約数ペア:

[(1, 47131820), (2, 23565910), (4, 11782955), (5, 9426364), (10, 4713182), (17, 2772460), (20, 2356591), (34, 1386230), (67, 703460), (68, 693115), (85, 554492), (134, 351730), (170, 277246), (268, 175865), (335, 140692), (340, 138623), (670, 70346), (1139, 41380), (1340, 35173), (2069, 22780), (2278, 20690), (4138, 11390), (4556, 10345), (5695, 8276)]