144206840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87931}}^1$

素因数の和:87983

約数の個数: 32

約数和(自身を含む): 332382960

約数和(自身を除く): 188176120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 87931, 175862, 351724, 439655, 703448, 879310, 1758620, 3517240, 3605171, 7210342, 14420684, 18025855, 28841368, 36051710, 72103420, 144206840]

約数ペア:

[(1, 144206840), (2, 72103420), (4, 36051710), (5, 28841368), (8, 18025855), (10, 14420684), (20, 7210342), (40, 3605171), (41, 3517240), (82, 1758620), (164, 879310), (205, 703448), (328, 439655), (410, 351724), (820, 175862), (1640, 87931)]