54971740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^2\times {\mathrm{347}}^1$

素因数の和:534

約数の個数: 36

約数和(自身を含む): 117088776

約数和(自身を除く): 62117036

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 347, 356, 445, 694, 890, 1388, 1735, 1780, 3470, 6940, 7921, 15842, 30883, 31684, 39605, 61766, 79210, 123532, 154415, 158420, 308830, 617660, 2748587, 5497174, 10994348, 13742935, 27485870, 54971740]

約数ペア:

[(1, 54971740), (2, 27485870), (4, 13742935), (5, 10994348), (10, 5497174), (20, 2748587), (89, 617660), (178, 308830), (347, 158420), (356, 154415), (445, 123532), (694, 79210), (890, 61766), (1388, 39605), (1735, 31684), (1780, 30883), (3470, 15842), (6940, 7921)]