38421820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 83589408

約数和(自身を除く): 45167588

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 530, 541, 670, 1060, 1082, 1340, 2164, 2705, 3551, 5410, 7102, 10820, 14204, 17755, 28673, 35510, 36247, 57346, 71020, 72494, 114692, 143365, 144988, 181235, 286730, 362470, 573460, 724940, 1921091, 3842182, 7684364, 9605455, 19210910, 38421820]

約数ペア:

[(1, 38421820), (2, 19210910), (4, 9605455), (5, 7684364), (10, 3842182), (20, 1921091), (53, 724940), (67, 573460), (106, 362470), (134, 286730), (212, 181235), (265, 144988), (268, 143365), (335, 114692), (530, 72494), (541, 71020), (670, 57346), (1060, 36247), (1082, 35510), (1340, 28673), (2164, 17755), (2705, 14204), (3551, 10820), (5410, 7102)]