25493660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 56379456

約数和(自身を除く): 30885796

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 353, 460, 628, 706, 785, 1412, 1570, 1765, 3140, 3530, 3611, 7060, 7222, 8119, 14444, 16238, 18055, 32476, 36110, 40595, 55421, 72220, 81190, 110842, 162380, 221684, 277105, 554210, 1108420, 1274683, 2549366, 5098732, 6373415, 12746830, 25493660]

約数ペア:

[(1, 25493660), (2, 12746830), (4, 6373415), (5, 5098732), (10, 2549366), (20, 1274683), (23, 1108420), (46, 554210), (92, 277105), (115, 221684), (157, 162380), (230, 110842), (314, 81190), (353, 72220), (460, 55421), (628, 40595), (706, 36110), (785, 32476), (1412, 18055), (1570, 16238), (1765, 14444), (3140, 8119), (3530, 7222), (3611, 7060)]