2013553975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2333}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 2778393600

約数和(自身を除く): 764839625

約数列:

[1, 5, 19, 23, 25, 79, 95, 115, 395, 437, 475, 575, 1501, 1817, 1975, 2185, 2333, 7505, 9085, 10925, 11665, 34523, 37525, 44327, 45425, 53659, 58325, 172615, 184307, 221635, 268295, 863075, 921535, 1019521, 1108175, 1341475, 3501833, 4239061, 4607675, 5097605, 17509165, 21195305, 25488025, 80542159, 87545825, 105976525, 402710795, 2013553975]

約数ペア:

[(1, 2013553975), (5, 402710795), (19, 105976525), (23, 87545825), (25, 80542159), (79, 25488025), (95, 21195305), (115, 17509165), (395, 5097605), (437, 4607675), (475, 4239061), (575, 3501833), (1501, 1341475), (1817, 1108175), (1975, 1019521), (2185, 921535), (2333, 863075), (7505, 268295), (9085, 221635), (10925, 184307), (11665, 172615), (34523, 58325), (37525, 53659), (44327, 45425)]