40720155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4909}}^1$

素因数の和:5003

約数の個数: 32

約数和(自身を含む): 75417600

約数和(自身を除く): 34697445

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2765, 4909, 8295, 14727, 24545, 34363, 73635, 103089, 171815, 387811, 515445, 1163433, 1939055, 2714677, 5817165, 8144031, 13573385, 40720155]

約数ペア:

[(1, 40720155), (3, 13573385), (5, 8144031), (7, 5817165), (15, 2714677), (21, 1939055), (35, 1163433), (79, 515445), (105, 387811), (237, 171815), (395, 103089), (553, 73635), (1185, 34363), (1659, 24545), (2765, 14727), (4909, 8295)]