16286840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9931}}^1$

素因数の和:9983

約数の個数: 32

約数和(自身を含む): 37542960

約数和(自身を除く): 21256120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9931, 19862, 39724, 49655, 79448, 99310, 198620, 397240, 407171, 814342, 1628684, 2035855, 3257368, 4071710, 8143420, 16286840]

約数ペア:

[(1, 16286840), (2, 8143420), (4, 4071710), (5, 3257368), (8, 2035855), (10, 1628684), (20, 814342), (40, 407171), (41, 397240), (82, 198620), (164, 99310), (205, 79448), (328, 49655), (410, 39724), (820, 19862), (1640, 9931)]