79205680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 196058880

約数和(自身を除く): 116853200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 152, 190, 214, 304, 380, 428, 487, 535, 760, 856, 974, 1070, 1520, 1712, 1948, 2033, 2140, 2435, 3896, 4066, 4280, 4870, 7792, 8132, 8560, 9253, 9740, 10165, 16264, 18506, 19480, 20330, 32528, 37012, 38960, 40660, 46265, 52109, 74024, 81320, 92530, 104218, 148048, 162640, 185060, 208436, 260545, 370120, 416872, 521090, 740240, 833744, 990071, 1042180, 1980142, 2084360, 3960284, 4168720, 4950355, 7920568, 9900710, 15841136, 19801420, 39602840, 79205680]

約数ペア:

[(1, 79205680), (2, 39602840), (4, 19801420), (5, 15841136), (8, 9900710), (10, 7920568), (16, 4950355), (19, 4168720), (20, 3960284), (38, 2084360), (40, 1980142), (76, 1042180), (80, 990071), (95, 833744), (107, 740240), (152, 521090), (190, 416872), (214, 370120), (304, 260545), (380, 208436), (428, 185060), (487, 162640), (535, 148048), (760, 104218), (856, 92530), (974, 81320), (1070, 74024), (1520, 52109), (1712, 46265), (1948, 40660), (2033, 38960), (2140, 37012), (2435, 32528), (3896, 20330), (4066, 19480), (4280, 18506), (4870, 16264), (7792, 10165), (8132, 9740), (8560, 9253)]