26916920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 64540800

約数和(自身を除く): 37623880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 331, 380, 428, 535, 662, 760, 856, 1070, 1324, 1655, 2033, 2140, 2648, 3310, 4066, 4280, 6289, 6620, 8132, 10165, 12578, 13240, 16264, 20330, 25156, 31445, 35417, 40660, 50312, 62890, 70834, 81320, 125780, 141668, 177085, 251560, 283336, 354170, 672923, 708340, 1345846, 1416680, 2691692, 3364615, 5383384, 6729230, 13458460, 26916920]

約数ペア:

[(1, 26916920), (2, 13458460), (4, 6729230), (5, 5383384), (8, 3364615), (10, 2691692), (19, 1416680), (20, 1345846), (38, 708340), (40, 672923), (76, 354170), (95, 283336), (107, 251560), (152, 177085), (190, 141668), (214, 125780), (331, 81320), (380, 70834), (428, 62890), (535, 50312), (662, 40660), (760, 35417), (856, 31445), (1070, 25156), (1324, 20330), (1655, 16264), (2033, 13240), (2140, 12578), (2648, 10165), (3310, 8132), (4066, 6620), (4280, 6289)]