80484475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 32008325

約数列:

[1, 5, 19, 23, 25, 53, 95, 115, 139, 265, 437, 475, 575, 695, 1007, 1219, 1325, 2185, 2641, 3197, 3475, 5035, 6095, 7367, 10925, 13205, 15985, 23161, 25175, 30475, 36835, 60743, 66025, 79925, 115805, 139973, 169441, 184175, 303715, 579025, 699865, 847205, 1518575, 3219379, 3499325, 4236025, 16096895, 80484475]

約数ペア:

[(1, 80484475), (5, 16096895), (19, 4236025), (23, 3499325), (25, 3219379), (53, 1518575), (95, 847205), (115, 699865), (139, 579025), (265, 303715), (437, 184175), (475, 169441), (575, 139973), (695, 115805), (1007, 79925), (1219, 66025), (1325, 60743), (2185, 36835), (2641, 30475), (3197, 25175), (3475, 23161), (5035, 15985), (6095, 13205), (7367, 10925)]