45138860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 102900000

約数和(自身を除く): 57761140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1249, 1390, 1807, 2498, 2780, 3614, 4996, 6245, 7228, 9035, 12490, 16237, 18070, 24980, 32474, 36140, 64948, 81185, 162370, 173611, 324740, 347222, 694444, 868055, 1736110, 2256943, 3472220, 4513886, 9027772, 11284715, 22569430, 45138860]

約数ペア:

[(1, 45138860), (2, 22569430), (4, 11284715), (5, 9027772), (10, 4513886), (13, 3472220), (20, 2256943), (26, 1736110), (52, 868055), (65, 694444), (130, 347222), (139, 324740), (260, 173611), (278, 162370), (556, 81185), (695, 64948), (1249, 36140), (1390, 32474), (1807, 24980), (2498, 18070), (2780, 16237), (3614, 12490), (4996, 9035), (6245, 7228)]