40781125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 67092480

約数和(自身を除く): 26311355

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 125, 133, 175, 209, 223, 275, 385, 475, 665, 875, 1045, 1115, 1375, 1463, 1561, 1925, 2375, 2453, 3325, 4237, 5225, 5575, 7315, 7805, 9625, 12265, 16625, 17171, 21185, 26125, 27875, 29659, 36575, 39025, 46607, 61325, 85855, 105925, 148295, 182875, 195125, 233035, 306625, 326249, 429275, 529625, 741475, 1165175, 1631245, 2146375, 3707375, 5825875, 8156225, 40781125]

約数ペア:

[(1, 40781125), (5, 8156225), (7, 5825875), (11, 3707375), (19, 2146375), (25, 1631245), (35, 1165175), (55, 741475), (77, 529625), (95, 429275), (125, 326249), (133, 306625), (175, 233035), (209, 195125), (223, 182875), (275, 148295), (385, 105925), (475, 85855), (665, 61325), (875, 46607), (1045, 39025), (1115, 36575), (1375, 29659), (1463, 27875), (1561, 26125), (1925, 21185), (2375, 17171), (2453, 16625), (3325, 12265), (4237, 9625), (5225, 7805), (5575, 7315)]