16208120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9883}}^1$

素因数の和:9935

約数の個数: 32

約数和(自身を含む): 37361520

約数和(自身を除く): 21153400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9883, 19766, 39532, 49415, 79064, 98830, 197660, 395320, 405203, 810406, 1620812, 2026015, 3241624, 4052030, 8104060, 16208120]

約数ペア:

[(1, 16208120), (2, 8104060), (4, 4052030), (5, 3241624), (8, 2026015), (10, 1620812), (20, 810406), (40, 405203), (41, 395320), (82, 197660), (164, 98830), (205, 79064), (328, 49415), (410, 39532), (820, 19766), (1640, 9883)]