66289040

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3467}}^1$

素因数の和:3719

約数の個数: 40

約数和(自身を含む): 154811520

約数和(自身を除く): 88522480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3467, 3824, 4780, 6934, 9560, 13868, 17335, 19120, 27736, 34670, 55472, 69340, 138680, 277360, 828613, 1657226, 3314452, 4143065, 6628904, 8286130, 13257808, 16572260, 33144520, 66289040]

約数ペア:

[(1, 66289040), (2, 33144520), (4, 16572260), (5, 13257808), (8, 8286130), (10, 6628904), (16, 4143065), (20, 3314452), (40, 1657226), (80, 828613), (239, 277360), (478, 138680), (956, 69340), (1195, 55472), (1912, 34670), (2390, 27736), (3467, 19120), (3824, 17335), (4780, 13868), (6934, 9560)]