71317640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{877}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 170683200

約数和(自身を除く): 99365560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 856, 877, 1070, 1754, 2033, 2140, 3508, 4066, 4280, 4385, 7016, 8132, 8770, 10165, 16264, 16663, 17540, 20330, 33326, 35080, 40660, 66652, 81320, 83315, 93839, 133304, 166630, 187678, 333260, 375356, 469195, 666520, 750712, 938390, 1782941, 1876780, 3565882, 3753560, 7131764, 8914705, 14263528, 17829410, 35658820, 71317640]

約数ペア:

[(1, 71317640), (2, 35658820), (4, 17829410), (5, 14263528), (8, 8914705), (10, 7131764), (19, 3753560), (20, 3565882), (38, 1876780), (40, 1782941), (76, 938390), (95, 750712), (107, 666520), (152, 469195), (190, 375356), (214, 333260), (380, 187678), (428, 166630), (535, 133304), (760, 93839), (856, 83315), (877, 81320), (1070, 66652), (1754, 40660), (2033, 35080), (2140, 33326), (3508, 20330), (4066, 17540), (4280, 16663), (4385, 16264), (7016, 10165), (8132, 8770)]