40220145

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{4729}}^1$

素因数の和:4756

約数の個数: 48

約数和(自身を含む): 82642560

約数和(自身を除く): 42422415

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 4729, 8505, 14187, 23645, 33103, 42561, 70935, 99309, 127683, 165515, 212805, 297927, 383049, 496545, 638415, 893781, 1149147, 1489635, 1915245, 2681343, 4468905, 5745735, 8044029, 13406715, 40220145]

約数ペア:

[(1, 40220145), (3, 13406715), (5, 8044029), (7, 5745735), (9, 4468905), (15, 2681343), (21, 1915245), (27, 1489635), (35, 1149147), (45, 893781), (63, 638415), (81, 496545), (105, 383049), (135, 297927), (189, 212805), (243, 165515), (315, 127683), (405, 99309), (567, 70935), (945, 42561), (1215, 33103), (1701, 23645), (2835, 14187), (4729, 8505)]