40328015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 60579456

約数和(自身を除く): 20251441

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 1453, 2135, 3965, 5551, 7265, 10171, 18889, 27755, 50855, 88633, 94445, 132223, 443165, 620431, 661115, 1152229, 3102155, 5761145, 8065603, 40328015]

約数ペア:

[(1, 40328015), (5, 8065603), (7, 5761145), (13, 3102155), (35, 1152229), (61, 661115), (65, 620431), (91, 443165), (305, 132223), (427, 94445), (455, 88633), (793, 50855), (1453, 27755), (2135, 18889), (3965, 10171), (5551, 7265)]