80254475

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 120373248

約数和(自身を除く): 40118773

約数列:

[1, 5, 7, 23, 25, 35, 115, 127, 157, 161, 175, 575, 635, 785, 805, 889, 1099, 2921, 3175, 3611, 3925, 4025, 4445, 5495, 14605, 18055, 19939, 20447, 22225, 25277, 27475, 73025, 90275, 99695, 102235, 126385, 139573, 458597, 498475, 511175, 631925, 697865, 2292985, 3210179, 3489325, 11464925, 16050895, 80254475]

約数ペア:

[(1, 80254475), (5, 16050895), (7, 11464925), (23, 3489325), (25, 3210179), (35, 2292985), (115, 697865), (127, 631925), (157, 511175), (161, 498475), (175, 458597), (575, 139573), (635, 126385), (785, 102235), (805, 99695), (889, 90275), (1099, 73025), (2921, 27475), (3175, 25277), (3611, 22225), (3925, 20447), (4025, 19939), (4445, 18055), (5495, 14605)]