65494040

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7213}}^1$

素因数の和:7451

約数の個数: 32

約数和(自身を含む): 148031280

約数和(自身を除く): 82537240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7213, 9080, 14426, 28852, 36065, 57704, 72130, 144260, 288520, 1637351, 3274702, 6549404, 8186755, 13098808, 16373510, 32747020, 65494040]

約数ペア:

[(1, 65494040), (2, 32747020), (4, 16373510), (5, 13098808), (8, 8186755), (10, 6549404), (20, 3274702), (40, 1637351), (227, 288520), (454, 144260), (908, 72130), (1135, 57704), (1816, 36065), (2270, 28852), (4540, 14426), (7213, 9080)]