40879670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 83026944

約数和(自身を除く): 42147274

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 71, 86, 103, 130, 142, 206, 215, 355, 430, 515, 559, 710, 923, 1030, 1118, 1339, 1846, 2678, 2795, 3053, 4429, 4615, 5590, 6106, 6695, 7313, 8858, 9230, 13390, 14626, 15265, 22145, 30530, 36565, 39689, 44290, 57577, 73130, 79378, 95069, 115154, 190138, 198445, 287885, 314459, 396890, 475345, 575770, 628918, 950690, 1572295, 3144590, 4087967, 8175934, 20439835, 40879670]

約数ペア:

[(1, 40879670), (2, 20439835), (5, 8175934), (10, 4087967), (13, 3144590), (26, 1572295), (43, 950690), (65, 628918), (71, 575770), (86, 475345), (103, 396890), (130, 314459), (142, 287885), (206, 198445), (215, 190138), (355, 115154), (430, 95069), (515, 79378), (559, 73130), (710, 57577), (923, 44290), (1030, 39689), (1118, 36565), (1339, 30530), (1846, 22145), (2678, 15265), (2795, 14626), (3053, 13390), (4429, 9230), (4615, 8858), (5590, 7313), (6106, 6695)]