23432840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 31724920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 223, 284, 296, 355, 370, 446, 568, 710, 740, 892, 1115, 1420, 1480, 1784, 2230, 2627, 2840, 4460, 5254, 8251, 8920, 10508, 13135, 15833, 16502, 21016, 26270, 31666, 33004, 41255, 52540, 63332, 66008, 79165, 82510, 105080, 126664, 158330, 165020, 316660, 330040, 585821, 633320, 1171642, 2343284, 2929105, 4686568, 5858210, 11716420, 23432840]

約数ペア:

[(1, 23432840), (2, 11716420), (4, 5858210), (5, 4686568), (8, 2929105), (10, 2343284), (20, 1171642), (37, 633320), (40, 585821), (71, 330040), (74, 316660), (142, 165020), (148, 158330), (185, 126664), (223, 105080), (284, 82510), (296, 79165), (355, 66008), (370, 63332), (446, 52540), (568, 41255), (710, 33004), (740, 31666), (892, 26270), (1115, 21016), (1420, 16502), (1480, 15833), (1784, 13135), (2230, 10508), (2627, 8920), (2840, 8251), (4460, 5254)]