64812040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 155131200

約数和(自身を除く): 90319160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 797, 856, 1070, 1594, 2033, 2140, 3188, 3985, 4066, 4280, 6376, 7970, 8132, 10165, 15143, 15940, 16264, 20330, 30286, 31880, 40660, 60572, 75715, 81320, 85279, 121144, 151430, 170558, 302860, 341116, 426395, 605720, 682232, 852790, 1620301, 1705580, 3240602, 3411160, 6481204, 8101505, 12962408, 16203010, 32406020, 64812040]

約数ペア:

[(1, 64812040), (2, 32406020), (4, 16203010), (5, 12962408), (8, 8101505), (10, 6481204), (19, 3411160), (20, 3240602), (38, 1705580), (40, 1620301), (76, 852790), (95, 682232), (107, 605720), (152, 426395), (190, 341116), (214, 302860), (380, 170558), (428, 151430), (535, 121144), (760, 85279), (797, 81320), (856, 75715), (1070, 60572), (1594, 40660), (2033, 31880), (2140, 30286), (3188, 20330), (3985, 16264), (4066, 15940), (4280, 15143), (6376, 10165), (7970, 8132)]